{"id":1942,"date":"2021-06-05T14:00:29","date_gmt":"2021-06-05T14:00:29","guid":{"rendered":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/online-test-for-class-11-physics-gravitation\/"},"modified":"2021-06-05T14:08:17","modified_gmt":"2021-06-05T14:08:17","slug":"gravitation-mcq-class-11-physics-chapter-8","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/","title":{"rendered":"Online MCQ Test For Class 11 Physics Chapter 8 Gravitation"},"content":{"rendered":"\n<p>One of the most basic forces\u00a0that occur between objects is gravity.\u00a0 This force is attractive in nature. The term gravity is used to describe gravitation. Gravitation is the theory that explains this force of\u00a0attraction, whereas gravity is defined as the force that attracts objects together. The gravitational force like other forces\u00a0is measured in Newtons.<br>The gravitational force between two objects is proportional to the product of their masses and inversely proportional to the square of their distance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Gravitation Class 11 Multiple Choice Questions with Answers<\/h2>\n\n\n<script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam306\" style=\"display:none;text-align:center;\">Please wait...<br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-306\"><hr \/>\n<p><strong>General Instructions<\/strong><\/p>\n<ol>\n<li>Your test contains multiple-choice questions with only one answer type of questions. There are a total of 25 questions<\/li>\n<li>This is a 45 min test. Please make sure you complete it in the stipulated time<\/li>\n<li>You can finish this test any time using the 'Submit' button.<\/li>\n<\/ol>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-306\"  enctype=\"multipart\/form-data\" >\n<div class='watupro-paginator-wrap watupro-question-paginator-wrap ' style='display:none;'><ul class='watupro-paginator watupro-question-paginator watupro-paginator-custom'><li class=\"rewind-down\" onclick=\"WatuPRO.movePaginator('down', 25);\">&lt;&lt;<\/li><li class='active  decade-1' id='WatuPROPagination1' onclick='WatuPRO.goto(event, 1, true);'>1<\/li><li class='  decade-1' id='WatuPROPagination2' onclick='WatuPRO.goto(event, 2, true);'>2<\/li><li class='  decade-1' id='WatuPROPagination3' onclick='WatuPRO.goto(event, 3, true);'>3<\/li><li class='  decade-1' id='WatuPROPagination4' onclick='WatuPRO.goto(event, 4, true);'>4<\/li><li class='  decade-1' id='WatuPROPagination5' onclick='WatuPRO.goto(event, 5, true);'>5<\/li><li class='  decade-1' id='WatuPROPagination6' onclick='WatuPRO.goto(event, 6, true);'>6<\/li><li class='  decade-1' id='WatuPROPagination7' onclick='WatuPRO.goto(event, 7, true);'>7<\/li><li class='  decade-1' id='WatuPROPagination8' onclick='WatuPRO.goto(event, 8, true);'>8<\/li><li class='  decade-1' id='WatuPROPagination9' onclick='WatuPRO.goto(event, 9, true);'>9<\/li><li class='  decade-1' id='WatuPROPagination10' onclick='WatuPRO.goto(event, 10, true);'>10<\/li><li class='  decade-2' id='WatuPROPagination11' onclick='WatuPRO.goto(event, 11, true);'>11<\/li><li class='  decade-2' id='WatuPROPagination12' onclick='WatuPRO.goto(event, 12, true);'>12<\/li><li class='  decade-2' id='WatuPROPagination13' onclick='WatuPRO.goto(event, 13, true);'>13<\/li><li class='  decade-2' id='WatuPROPagination14' onclick='WatuPRO.goto(event, 14, true);'>14<\/li><li class='  decade-2' id='WatuPROPagination15' onclick='WatuPRO.goto(event, 15, true);'>15<\/li><li class='  decade-2' id='WatuPROPagination16' onclick='WatuPRO.goto(event, 16, true);'>16<\/li><li class='  decade-2' id='WatuPROPagination17' onclick='WatuPRO.goto(event, 17, true);'>17<\/li><li class='  decade-2' id='WatuPROPagination18' onclick='WatuPRO.goto(event, 18, true);'>18<\/li><li class='  decade-2' id='WatuPROPagination19' onclick='WatuPRO.goto(event, 19, true);'>19<\/li><li class='  decade-2' id='WatuPROPagination20' onclick='WatuPRO.goto(event, 20, true);'>20<\/li><li class='  decade-3' id='WatuPROPagination21' onclick='WatuPRO.goto(event, 21, true);'>21<\/li><li class='  decade-3' id='WatuPROPagination22' onclick='WatuPRO.goto(event, 22, true);'>22<\/li><li class='  decade-3' id='WatuPROPagination23' onclick='WatuPRO.goto(event, 23, true);'>23<\/li><li class='  decade-3' id='WatuPROPagination24' onclick='WatuPRO.goto(event, 24, true);'>24<\/li><li class='  decade-3' id='WatuPROPagination25' onclick='WatuPRO.goto(event, 25, true);'>25<\/li><li  class=\"rewind-up\" onclick=\"WatuPRO.movePaginator('up', 25);\">&gt;&gt;<\/li><\/ul><\/div><div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-5461'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>An artificial satellite moving in a circular orbit around the Earth has total (Kinetic Energy+ Potential) energy $E_0$<\/div><input type='hidden' name='question_id[]' id='qID_1' value='5461' class='watupro-question-id'\/><input type='hidden' id='answerType5461' class='answerTypeCnt1' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5461'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5461[]' id='answer-id-21712' class='answer   answerof-5461  ' value='21712'   \/><label for='answer-id-21712' id='answer-label-21712' class=' answer'><span>$-E_0$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5461[]' id='answer-id-21713' class='answer   answerof-5461  ' value='21713'   \/><label for='answer-id-21713' id='answer-label-21713' class=' answer'><span>$1.5E_0$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5461[]' id='answer-id-21714' class='answer   answerof-5461  ' value='21714'   \/><label for='answer-id-21714' id='answer-label-21714' class=' answer'><span>$2E_0$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5461[]' id='answer-id-21715' class='answer   answerof-5461  ' value='21715'   \/><label for='answer-id-21715' id='answer-label-21715' class=' answer'><span>$E_0$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-5462'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>A satellite is moving with a constant speed $v$ in a circular orbit about the Earth. An object of mass $m$ is ejected from the satellite such that it just escapes the gravitational pull of the Earth. At the time of ejection Kinetic energy of the object is<\/div><input type='hidden' name='question_id[]' id='qID_2' value='5462' class='watupro-question-id'\/><input type='hidden' id='answerType5462' class='answerTypeCnt2' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5462'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5462[]' id='answer-id-21716' class='answer   answerof-5462  ' value='21716'   \/><label for='answer-id-21716' id='answer-label-21716' class=' answer'><span>$\\frac{1}{2}mv^2$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5462[]' id='answer-id-21717' class='answer   answerof-5462  ' value='21717'   \/><label for='answer-id-21717' id='answer-label-21717' class=' answer'><span>$ mv^2$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5462[]' id='answer-id-21718' class='answer   answerof-5462  ' value='21718'   \/><label for='answer-id-21718' id='answer-label-21718' class=' answer'><span>$\\frac{3}{2}mv^2$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5462[]' id='answer-id-21719' class='answer   answerof-5462  ' value='21719'   \/><label for='answer-id-21719' id='answer-label-21719' class=' answer'><span>$2mv^2$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-5463'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>If suddenly the gravitational force of attraction between earth and satellite revolving around it becomes zero, then the satellite will<\/div><input type='hidden' name='question_id[]' id='qID_3' value='5463' class='watupro-question-id'\/><input type='hidden' id='answerType5463' class='answerTypeCnt3' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5463'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5463[]' id='answer-id-21720' class='answer   answerof-5463  ' value='21720'   \/><label for='answer-id-21720' id='answer-label-21720' class=' answer'><span>continue to move in orbit with the same velocity<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5463[]' id='answer-id-21721' class='answer   answerof-5463  ' value='21721'   \/><label for='answer-id-21721' id='answer-label-21721' class=' answer'><span>move tangentially to the original orbit with the same velocity.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5463[]' id='answer-id-21722' class='answer   answerof-5463  ' value='21722'   \/><label for='answer-id-21722' id='answer-label-21722' class=' answer'><span>becomes stationary in its orbit<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5463[]' id='answer-id-21723' class='answer   answerof-5463  ' value='21723'   \/><label for='answer-id-21723' id='answer-label-21723' class=' answer'><span>moves towards the earth<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-5464'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>The average density of the earth<\/div><input type='hidden' name='question_id[]' id='qID_4' value='5464' class='watupro-question-id'\/><input type='hidden' id='answerType5464' class='answerTypeCnt4' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5464'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5464[]' id='answer-id-21724' class='answer   answerof-5464  ' value='21724'   \/><label for='answer-id-21724' id='answer-label-21724' class=' answer'><span>does not depend on g<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5464[]' id='answer-id-21725' class='answer   answerof-5464  ' value='21725'   \/><label for='answer-id-21725' id='answer-label-21725' class=' answer'><span>is a complex function of g<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5464[]' id='answer-id-21726' class='answer   answerof-5464  ' value='21726'   \/><label for='answer-id-21726' id='answer-label-21726' class=' answer'><span>is directly proportional to g<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5464[]' id='answer-id-21727' class='answer   answerof-5464  ' value='21727'   \/><label for='answer-id-21727' id='answer-label-21727' class=' answer'><span>is inversely proportional to g<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-5465'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>The time period of an earth satellite in circular orbit is independent of<\/div><input type='hidden' name='question_id[]' id='qID_5' value='5465' class='watupro-question-id'\/><input type='hidden' id='answerType5465' class='answerTypeCnt5' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5465'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5465[]' id='answer-id-21728' class='answer   answerof-5465  ' value='21728'   \/><label for='answer-id-21728' id='answer-label-21728' class=' answer'><span>the mass of the satellite<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5465[]' id='answer-id-21729' class='answer   answerof-5465  ' value='21729'   \/><label for='answer-id-21729' id='answer-label-21729' class=' answer'><span>the radius of its orbit<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5465[]' id='answer-id-21730' class='answer   answerof-5465  ' value='21730'   \/><label for='answer-id-21730' id='answer-label-21730' class=' answer'><span>both mass and radius of the orbit<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5465[]' id='answer-id-21731' class='answer   answerof-5465  ' value='21731'   \/><label for='answer-id-21731' id='answer-label-21731' class=' answer'><span>neither mass of the satellite nor the radius of its orbit.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-5466'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>The following question contains <strong>statement \u2013 1<\/strong> and <strong>statement \u2013 2<\/strong>. Of the four choices given choose the one that best describes the two statements.<br \/>\r\n<strong>Statement 1:<\/strong> For a mass M kept at the center of a cube of side $a$, the flux of gravitational field passing through its sides is $4\\pi GM$<br \/>\r\n<strong>Statement 2:<\/strong> If the direction of a field due to a point source is radial and its dependence on the distance r from the source is given as $\\frac{1}{r^2}$, its flux through a closed surface depends only on the strength of the source enclosed by the surface and not on the size or shape of the surface.<br \/>\r\n<\/div><input type='hidden' name='question_id[]' id='qID_6' value='5466' class='watupro-question-id'\/><input type='hidden' id='answerType5466' class='answerTypeCnt6' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5466'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5466[]' id='answer-id-21732' class='answer   answerof-5466  ' value='21732'   \/><label for='answer-id-21732' id='answer-label-21732' class=' answer'><span>Statement \u2013 1 is true, and Statement \u2013 2 is false<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5466[]' id='answer-id-21733' class='answer   answerof-5466  ' value='21733'   \/><label for='answer-id-21733' id='answer-label-21733' class=' answer'><span>Statement \u2013 1 is false, and Statement \u2013 2 is true<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5466[]' id='answer-id-21734' class='answer   answerof-5466  ' value='21734'   \/><label for='answer-id-21734' id='answer-label-21734' class=' answer'><span>Statement \u2013 1 is true and Statement \u2013 2 is false. Statement 2 is the correct explanation of statement 1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5466[]' id='answer-id-21735' class='answer   answerof-5466  ' value='21735'   \/><label for='answer-id-21735' id='answer-label-21735' class=' answer'><span>Statement \u2013 1 is true and Statement \u2013 2 is true. Statement 2 is not a correct explanation of statement 1.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-5467'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>If the earth stops rotating, the value of g at the equator<\/div><input type='hidden' name='question_id[]' id='qID_7' value='5467' class='watupro-question-id'\/><input type='hidden' id='answerType5467' class='answerTypeCnt7' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5467'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5467[]' id='answer-id-21736' class='answer   answerof-5467  ' value='21736'   \/><label for='answer-id-21736' id='answer-label-21736' class=' answer'><span>increases<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5467[]' id='answer-id-21737' class='answer   answerof-5467  ' value='21737'   \/><label for='answer-id-21737' id='answer-label-21737' class=' answer'><span>decreases<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5467[]' id='answer-id-21738' class='answer   answerof-5467  ' value='21738'   \/><label for='answer-id-21738' id='answer-label-21738' class=' answer'><span>no effect<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5467[]' id='answer-id-21739' class='answer   answerof-5467  ' value='21739'   \/><label for='answer-id-21739' id='answer-label-21739' class=' answer'><span>none of these<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-5468'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>When a body is lifted from surface of earth to a height equal to radius of earth, then the change in potential energy is<\/div><input type='hidden' name='question_id[]' id='qID_8' value='5468' class='watupro-question-id'\/><input type='hidden' id='answerType5468' class='answerTypeCnt8' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5468'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5468[]' id='answer-id-21740' class='answer   answerof-5468  ' value='21740'   \/><label for='answer-id-21740' id='answer-label-21740' class=' answer'><span>$mgR$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5468[]' id='answer-id-21741' class='answer   answerof-5468  ' value='21741'   \/><label for='answer-id-21741' id='answer-label-21741' class=' answer'><span>$2mgR$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5468[]' id='answer-id-21742' class='answer   answerof-5468  ' value='21742'   \/><label for='answer-id-21742' id='answer-label-21742' class=' answer'><span>$\\frac{1}{2}mgR$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5468[]' id='answer-id-21743' class='answer   answerof-5468  ' value='21743'   \/><label for='answer-id-21743' id='answer-label-21743' class=' answer'><span>$ 4mgR$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-5469'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>What is not conserved in the case of celestial bodies revolving around sun?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='5469' class='watupro-question-id'\/><input type='hidden' id='answerType5469' class='answerTypeCnt9' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5469'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5469[]' id='answer-id-21744' class='answer   answerof-5469  ' value='21744'   \/><label for='answer-id-21744' id='answer-label-21744' class=' answer'><span>kinetic energy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5469[]' id='answer-id-21745' class='answer   answerof-5469  ' value='21745'   \/><label for='answer-id-21745' id='answer-label-21745' class=' answer'><span>mass<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5469[]' id='answer-id-21746' class='answer   answerof-5469  ' value='21746'   \/><label for='answer-id-21746' id='answer-label-21746' class=' answer'><span>angular momentum<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5469[]' id='answer-id-21747' class='answer   answerof-5469  ' value='21747'   \/><label for='answer-id-21747' id='answer-label-21747' class=' answer'><span>linear momentum<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-5470'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>Satellite is revolving around earth. If its height is increased to four times height of geostationary satellite, what will become its time period?<\/div><input type='hidden' name='question_id[]' id='qID_10' value='5470' class='watupro-question-id'\/><input type='hidden' id='answerType5470' class='answerTypeCnt10' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5470'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5470[]' id='answer-id-21748' class='answer   answerof-5470  ' value='21748'   \/><label for='answer-id-21748' id='answer-label-21748' class=' answer'><span>8 days<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5470[]' id='answer-id-21749' class='answer   answerof-5470  ' value='21749'   \/><label for='answer-id-21749' id='answer-label-21749' class=' answer'><span>4 days<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5470[]' id='answer-id-21750' class='answer   answerof-5470  ' value='21750'   \/><label for='answer-id-21750' id='answer-label-21750' class=' answer'><span>2 days<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5470[]' id='answer-id-21751' class='answer   answerof-5470  ' value='21751'   \/><label for='answer-id-21751' id='answer-label-21751' class=' answer'><span>16 days<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-11' style=';'><div id='questionWrap-11'  class='   watupro-question-id-5471'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>Two satellites A and B have ratio of masses 3:1 in circular orbits of radii r and 4r. The ratio of total mechanical energy of A to B is<\/div><input type='hidden' name='question_id[]' id='qID_11' value='5471' class='watupro-question-id'\/><input type='hidden' id='answerType5471' class='answerTypeCnt11' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5471'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5471[]' id='answer-id-21752' class='answer   answerof-5471  ' value='21752'   \/><label for='answer-id-21752' id='answer-label-21752' class=' answer'><span>1:3<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5471[]' id='answer-id-21753' class='answer   answerof-5471  ' value='21753'   \/><label for='answer-id-21753' id='answer-label-21753' class=' answer'><span>3:1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5471[]' id='answer-id-21754' class='answer   answerof-5471  ' value='21754'   \/><label for='answer-id-21754' id='answer-label-21754' class=' answer'><span>3:4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5471[]' id='answer-id-21755' class='answer   answerof-5471  ' value='21755'   \/><label for='answer-id-21755' id='answer-label-21755' class=' answer'><span>12:1<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-12' style=';'><div id='questionWrap-12'  class='   watupro-question-id-5472'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>Kepler discovered<\/div><input type='hidden' name='question_id[]' id='qID_12' value='5472' class='watupro-question-id'\/><input type='hidden' id='answerType5472' class='answerTypeCnt12' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5472'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5472[]' id='answer-id-21756' class='answer   answerof-5472  ' value='21756'   \/><label for='answer-id-21756' id='answer-label-21756' class=' answer'><span>laws of motion<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5472[]' id='answer-id-21757' class='answer   answerof-5472  ' value='21757'   \/><label for='answer-id-21757' id='answer-label-21757' class=' answer'><span>laws of rotational motion<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5472[]' id='answer-id-21758' class='answer   answerof-5472  ' value='21758'   \/><label for='answer-id-21758' id='answer-label-21758' class=' answer'><span>laws of planetary motion<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5472[]' id='answer-id-21759' class='answer   answerof-5472  ' value='21759'   \/><label for='answer-id-21759' id='answer-label-21759' class=' answer'><span>laws of curvilinear motion<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-13' style=';'><div id='questionWrap-13'  class='   watupro-question-id-5473'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>According to Kepler\u2019s law, the time period of a satellite varies with its radius as<\/div><input type='hidden' name='question_id[]' id='qID_13' value='5473' class='watupro-question-id'\/><input type='hidden' id='answerType5473' class='answerTypeCnt13' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5473'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5473[]' id='answer-id-21760' class='answer   answerof-5473  ' value='21760'   \/><label for='answer-id-21760' id='answer-label-21760' class=' answer'><span>$T^2\\propto R^3$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5473[]' id='answer-id-21761' class='answer   answerof-5473  ' value='21761'   \/><label for='answer-id-21761' id='answer-label-21761' class=' answer'><span>$T^3\\propto R^2$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5473[]' id='answer-id-21762' class='answer   answerof-5473  ' value='21762'   \/><label for='answer-id-21762' id='answer-label-21762' class=' answer'><span>$T^2\\propto\\frac{1}{R^3}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5473[]' id='answer-id-21763' class='answer   answerof-5473  ' value='21763'   \/><label for='answer-id-21763' id='answer-label-21763' class=' answer'><span>$T^3\\propto\\frac{1}{R^2}$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-14' style=';'><div id='questionWrap-14'  class='   watupro-question-id-5474'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>When a body is taken from poles to equator on the earth, its weight<\/div><input type='hidden' name='question_id[]' id='qID_14' value='5474' class='watupro-question-id'\/><input type='hidden' id='answerType5474' class='answerTypeCnt14' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5474'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5474[]' id='answer-id-21764' class='answer   answerof-5474  ' value='21764'   \/><label for='answer-id-21764' id='answer-label-21764' class=' answer'><span>increases<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5474[]' id='answer-id-21765' class='answer   answerof-5474  ' value='21765'   \/><label for='answer-id-21765' id='answer-label-21765' class=' answer'><span>decreases<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5474[]' id='answer-id-21766' class='answer   answerof-5474  ' value='21766'   \/><label for='answer-id-21766' id='answer-label-21766' class=' answer'><span>remains the same<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5474[]' id='answer-id-21767' class='answer   answerof-5474  ' value='21767'   \/><label for='answer-id-21767' id='answer-label-21767' class=' answer'><span>increases at the south pole and decreases at the north pole.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-15' style=';'><div id='questionWrap-15'  class='   watupro-question-id-5475'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>Two planets of radii $r_1$ and $r_2$ are made from the same material. The ratio of the acceleration of gravity $g_1\/g_2$ at the surfaces of the planets is<\/div><input type='hidden' name='question_id[]' id='qID_15' value='5475' class='watupro-question-id'\/><input type='hidden' id='answerType5475' class='answerTypeCnt15' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5475'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5475[]' id='answer-id-21768' class='answer   answerof-5475  ' value='21768'   \/><label for='answer-id-21768' id='answer-label-21768' class=' answer'><span>$r_1\/r_2$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5475[]' id='answer-id-21769' class='answer   answerof-5475  ' value='21769'   \/><label for='answer-id-21769' id='answer-label-21769' class=' answer'><span>$ r_2\/r_1$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5475[]' id='answer-id-21770' class='answer   answerof-5475  ' value='21770'   \/><label for='answer-id-21770' id='answer-label-21770' class=' answer'><span>$(r_1\/r_2)^2$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5475[]' id='answer-id-21771' class='answer   answerof-5475  ' value='21771'   \/><label for='answer-id-21771' id='answer-label-21771' class=' answer'><span>$(r_2\/r_1)^2$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-16' style=';'><div id='questionWrap-16'  class='   watupro-question-id-5476'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>The escape velocity from the earth is 11.2 Km\/s. The escape velocity from a planet having twice the radius and the same mean density as the earth is<\/div><input type='hidden' name='question_id[]' id='qID_16' value='5476' class='watupro-question-id'\/><input type='hidden' id='answerType5476' class='answerTypeCnt16' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5476'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5476[]' id='answer-id-21772' class='answer   answerof-5476  ' value='21772'   \/><label for='answer-id-21772' id='answer-label-21772' class=' answer'><span>22.4 Km\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5476[]' id='answer-id-21773' class='answer   answerof-5476  ' value='21773'   \/><label for='answer-id-21773' id='answer-label-21773' class=' answer'><span>11.2 Km\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5476[]' id='answer-id-21774' class='answer   answerof-5476  ' value='21774'   \/><label for='answer-id-21774' id='answer-label-21774' class=' answer'><span>5.5 Km\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5476[]' id='answer-id-21775' class='answer   answerof-5476  ' value='21775'   \/><label for='answer-id-21775' id='answer-label-21775' class=' answer'><span>15.5 Km\/s<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-17' style=';'><div id='questionWrap-17'  class='   watupro-question-id-5477'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>If v be the orbital velocity of a satellite in a circular orbit close to earth\u2019s surface and $v_e$ is the escape velocity from the earth, then relation between two is<\/div><input type='hidden' name='question_id[]' id='qID_17' value='5477' class='watupro-question-id'\/><input type='hidden' id='answerType5477' class='answerTypeCnt17' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5477'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5477[]' id='answer-id-21776' class='answer   answerof-5477  ' value='21776'   \/><label for='answer-id-21776' id='answer-label-21776' class=' answer'><span>$v_e = v$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5477[]' id='answer-id-21777' class='answer   answerof-5477  ' value='21777'   \/><label for='answer-id-21777' id='answer-label-21777' class=' answer'><span>$v_e = \\sqrt{2}v$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5477[]' id='answer-id-21778' class='answer   answerof-5477  ' value='21778'   \/><label for='answer-id-21778' id='answer-label-21778' class=' answer'><span>$v_e = \\sqrt{3}v$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5477[]' id='answer-id-21779' class='answer   answerof-5477  ' value='21779'   \/><label for='answer-id-21779' id='answer-label-21779' class=' answer'><span>$v_e = 2v$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-18' style=';'><div id='questionWrap-18'  class='   watupro-question-id-5478'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>Two particles of equal mass go around a circle of radius R under the action of mutual gravitational attraction. The speed v of each particle is<\/div><input type='hidden' name='question_id[]' id='qID_18' value='5478' class='watupro-question-id'\/><input type='hidden' id='answerType5478' class='answerTypeCnt18' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5478'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5478[]' id='answer-id-21780' class='answer   answerof-5478  ' value='21780'   \/><label for='answer-id-21780' id='answer-label-21780' class=' answer'><span>$\\frac{1}{2}\\sqrt{\\frac{Gm}{R}}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5478[]' id='answer-id-21781' class='answer   answerof-5478  ' value='21781'   \/><label for='answer-id-21781' id='answer-label-21781' class=' answer'><span>$\\sqrt{\\frac{4Gm}{R}}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5478[]' id='answer-id-21782' class='answer   answerof-5478  ' value='21782'   \/><label for='answer-id-21782' id='answer-label-21782' class=' answer'><span>$\\frac{1}{2R}\\sqrt{\\frac{1}{Gm}}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5478[]' id='answer-id-21783' class='answer   answerof-5478  ' value='21783'   \/><label for='answer-id-21783' id='answer-label-21783' class=' answer'><span>$\\sqrt{\\frac{Gm}{R}}$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-19' style=';'><div id='questionWrap-19'  class='   watupro-question-id-5479'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>19. <\/span>The acceleration due to gravity g and mean density of earth \\rho are related by which of following relations? (Where G is the gravitational constant and R is the radius of the earth)<\/div><input type='hidden' name='question_id[]' id='qID_19' value='5479' class='watupro-question-id'\/><input type='hidden' id='answerType5479' class='answerTypeCnt19' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5479'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5479[]' id='answer-id-21784' class='answer   answerof-5479  ' value='21784'   \/><label for='answer-id-21784' id='answer-label-21784' class=' answer'><span>$\\rho=\\frac{3g}{4\\pi G R}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5479[]' id='answer-id-21785' class='answer   answerof-5479  ' value='21785'   \/><label for='answer-id-21785' id='answer-label-21785' class=' answer'><span>$\\rho=\\frac{3g}{4\\pi G R^3}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5479[]' id='answer-id-21786' class='answer   answerof-5479  ' value='21786'   \/><label for='answer-id-21786' id='answer-label-21786' class=' answer'><span>$\\rho=\\frac{4\\pi G R^2}{3G}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5479[]' id='answer-id-21787' class='answer   answerof-5479  ' value='21787'   \/><label for='answer-id-21787' id='answer-label-21787' class=' answer'><span>$\\rho=\\frac{4\\pi G R^3}{3G}$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-20' style=';'><div id='questionWrap-20'  class='   watupro-question-id-5480'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>The largest and the shortest distances of the earth from the sun are $r_1$ and $r_2$. Its distance from the sun when it is perpendicular to the major axis of the orbit drawn from the sun is<\/div><input type='hidden' name='question_id[]' id='qID_20' value='5480' class='watupro-question-id'\/><input type='hidden' id='answerType5480' class='answerTypeCnt20' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5480'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5480[]' id='answer-id-21788' class='answer   answerof-5480  ' value='21788'   \/><label for='answer-id-21788' id='answer-label-21788' class=' answer'><span>$\\frac{r_1+r_2}{4}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5480[]' id='answer-id-21789' class='answer   answerof-5480  ' value='21789'   \/><label for='answer-id-21789' id='answer-label-21789' class=' answer'><span>$ \\frac{r_1+r_2}{r_1-r_2}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5480[]' id='answer-id-21790' class='answer   answerof-5480  ' value='21790'   \/><label for='answer-id-21790' id='answer-label-21790' class=' answer'><span>$\\frac{2r_1r_2}{r_1+r_2}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5480[]' id='answer-id-21791' class='answer   answerof-5480  ' value='21791'   \/><label for='answer-id-21791' id='answer-label-21791' class=' answer'><span>$\\frac{r_1+r_2}{3}$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-21' style=';'><div id='questionWrap-21'  class='   watupro-question-id-5481'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>21. <\/span>The distances of two planets from the sun are $10^{13}m$ and $10^{12}m$ respectively. The ratio of time periods of the planet is<\/div><input type='hidden' name='question_id[]' id='qID_21' value='5481' class='watupro-question-id'\/><input type='hidden' id='answerType5481' class='answerTypeCnt21' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5481'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5481[]' id='answer-id-21792' class='answer   answerof-5481  ' value='21792'   \/><label for='answer-id-21792' id='answer-label-21792' class=' answer'><span>$\\sqrt{10}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5481[]' id='answer-id-21793' class='answer   answerof-5481  ' value='21793'   \/><label for='answer-id-21793' id='answer-label-21793' class=' answer'><span>$10\\sqrt{10}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5481[]' id='answer-id-21794' class='answer   answerof-5481  ' value='21794'   \/><label for='answer-id-21794' id='answer-label-21794' class=' answer'><span>$10$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5481[]' id='answer-id-21795' class='answer   answerof-5481  ' value='21795'   \/><label for='answer-id-21795' id='answer-label-21795' class=' answer'><span>$\\frac{1}{\\sqrt{10}}$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-22' style=';'><div id='questionWrap-22'  class='   watupro-question-id-5482'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>22. <\/span>The escape velocity from the earth is 11.2 Km\/s. If a body is to be projected in a direction making an angle ${45}^0$ to the vertical, then the escape velocity is<\/div><input type='hidden' name='question_id[]' id='qID_22' value='5482' class='watupro-question-id'\/><input type='hidden' id='answerType5482' class='answerTypeCnt22' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5482'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5482[]' id='answer-id-21796' class='answer   answerof-5482  ' value='21796'   \/><label for='answer-id-21796' id='answer-label-21796' class=' answer'><span>$11.2\\ \\times2\\ Km\/s$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5482[]' id='answer-id-21797' class='answer   answerof-5482  ' value='21797'   \/><label for='answer-id-21797' id='answer-label-21797' class=' answer'><span>$11.2\\ Km\/s$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5482[]' id='answer-id-21798' class='answer   answerof-5482  ' value='21798'   \/><label for='answer-id-21798' id='answer-label-21798' class=' answer'><span>$\\frac{11.2}{\\sqrt2}Km\/s$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5482[]' id='answer-id-21799' class='answer   answerof-5482  ' value='21799'   \/><label for='answer-id-21799' id='answer-label-21799' class=' answer'><span>$11.2\\sqrt2\\,Km\/s$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-23' style=';'><div id='questionWrap-23'  class='   watupro-question-id-5483'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>23. <\/span>The mean radius of earth is R, its angular speed on its own axis is $\\omega$ and the acceleration due to gravity at earth\u2019s surface is g. What will be the radius of the orbit of a geostationary satellite?<\/div><input type='hidden' name='question_id[]' id='qID_23' value='5483' class='watupro-question-id'\/><input type='hidden' id='answerType5483' class='answerTypeCnt23' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5483'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5483[]' id='answer-id-21800' class='answer   answerof-5483  ' value='21800'   \/><label for='answer-id-21800' id='answer-label-21800' class=' answer'><span>$\\left(\\frac{R^2g}{\\omega^2}\\right)^{1\/3}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5483[]' id='answer-id-21801' class='answer   answerof-5483  ' value='21801'   \/><label for='answer-id-21801' id='answer-label-21801' class=' answer'><span>$ \\left(\\frac{Rg}{\\omega^2}\\right)^{1\/3}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5483[]' id='answer-id-21802' class='answer   answerof-5483  ' value='21802'   \/><label for='answer-id-21802' id='answer-label-21802' class=' answer'><span>$\\left(\\frac{R^2\\omega^2}{g}\\right)^{1\/3}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5483[]' id='answer-id-21803' class='answer   answerof-5483  ' value='21803'   \/><label for='answer-id-21803' id='answer-label-21803' class=' answer'><span>$\\left(\\frac{R^2g}{\\omega}\\right)^{1\/3}$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-24' style=';'><div id='questionWrap-24'  class='   watupro-question-id-5484'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>24. <\/span>Two satellites of earth $S_1$ and $S_2$ are moving in the same orbit. The mass of $S_1$ is four times the mass of $S_2$. Which one of the following statements is true?<\/div><input type='hidden' name='question_id[]' id='qID_24' value='5484' class='watupro-question-id'\/><input type='hidden' id='answerType5484' class='answerTypeCnt24' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5484'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5484[]' id='answer-id-21804' class='answer   answerof-5484  ' value='21804'   \/><label for='answer-id-21804' id='answer-label-21804' class=' answer'><span>The potential energies of earth and satellite in the two cases are equal<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5484[]' id='answer-id-21805' class='answer   answerof-5484  ' value='21805'   \/><label for='answer-id-21805' id='answer-label-21805' class=' answer'><span>$S_1$ and $S_2$ are moving with the same speed<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5484[]' id='answer-id-21806' class='answer   answerof-5484  ' value='21806'   \/><label for='answer-id-21806' id='answer-label-21806' class=' answer'><span>The Kinetic energies of two satellites are equal<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5484[]' id='answer-id-21807' class='answer   answerof-5484  ' value='21807'   \/><label for='answer-id-21807' id='answer-label-21807' class=' answer'><span>The time period of $S_1$ is four times that of $S_2$<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-25' style=';'><div id='questionWrap-25'  class='   watupro-question-id-5485'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>25. <\/span>The radii circular orbits of two satellites A and B of earth are 4R and R, respectively. If the speed of satellite A is 3V, the speed of satellite B will be<\/div><input type='hidden' name='question_id[]' id='qID_25' value='5485' class='watupro-question-id'\/><input type='hidden' id='answerType5485' class='answerTypeCnt25' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5485'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5485[]' id='answer-id-21808' class='answer   answerof-5485  ' value='21808'   \/><label for='answer-id-21808' id='answer-label-21808' class=' answer'><span>3V\/4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5485[]' id='answer-id-21809' class='answer   answerof-5485  ' value='21809'   \/><label for='answer-id-21809' id='answer-label-21809' class=' answer'><span>6V<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5485[]' id='answer-id-21810' class='answer   answerof-5485  ' value='21810'   \/><label for='answer-id-21810' id='answer-label-21810' class=' answer'><span>12V<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5485[]' id='answer-id-21811' class='answer   answerof-5485  ' value='21811'   \/><label for='answer-id-21811' id='answer-label-21811' class=' answer'><span>3V\/2<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-26'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons306\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; Previous\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"SUBMIT\"  \/>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"306\" id=\"watuPROExamID\"\/>\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-29 23:41:08\" \/>\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1777506068\" \/>\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\" \/>\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"5461:21712,21713,21714,21715 | 5462:21716,21717,21718,21719 | 5463:21720,21721,21722,21723 | 5464:21724,21725,21726,21727 | 5465:21728,21729,21730,21731 | 5466:21732,21733,21734,21735 | 5467:21736,21737,21738,21739 | 5468:21740,21741,21742,21743 | 5469:21744,21745,21746,21747 | 5470:21748,21749,21750,21751 | 5471:21752,21753,21754,21755 | 5472:21756,21757,21758,21759 | 5473:21760,21761,21762,21763 | 5474:21764,21765,21766,21767 | 5475:21768,21769,21770,21771 | 5476:21772,21773,21774,21775 | 5477:21776,21777,21778,21779 | 5478:21780,21781,21782,21783 | 5479:21784,21785,21786,21787 | 5480:21788,21789,21790,21791 | 5481:21792,21793,21794,21795 | 5482:21796,21797,21798,21799 | 5483:21800,21801,21802,21803 | 5484:21804,21805,21806,21807 | 5485:21808,21809,21810,21811\" \/>\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>&nbsp;<\/p>\n<\/div>\n\n<script type=\"text\/javascript\">\n\/\/jQuery(document).ready(function(){\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \t\nvar question_ids = \"5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472,5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485\";\nWatuPROSettings[306] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 306;\t    \nWatuPRO.post_id = 1942;\nWatuPRO.store_progress = 0;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.66262700 1777506068\";\nvar url = \"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/show_exam.php\";\nWatuPRO.examMode = 1;\nWatuPRO.siteURL=\"https:\/\/physicscatalyst.com\/testprep\/wp-admin\/admin-ajax.php\";\nWatuPRO.emailIsNotRequired = 0;\nWatuPROIntel.init(306);\nWatuPRO.inCategoryPages=1;});    \t \n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>One of the most basic forces\u00a0that occur between objects is gravity.\u00a0 This force is attractive in nature. The term gravity is used to describe gravitation. Gravitation is the theory that explains this force of\u00a0attraction, whereas gravity is defined as the force that attracts objects together. The gravitational force like other forces\u00a0is measured in Newtons.The gravitational [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[24],"tags":[],"class_list":["post-1942","post","type-post","status-publish","format-standard","hentry","category-class-11-physics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Online MCQ Test For Class 11 Physics Chapter 8 Gravitation - MCQ Online Test<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Online MCQ Test For Class 11 Physics Chapter 8 Gravitation - MCQ Online Test\" \/>\n<meta property=\"og:description\" content=\"One of the most basic forces\u00a0that occur between objects is gravity.\u00a0 This force is attractive in nature. The term gravity is used to describe gravitation. Gravitation is the theory that explains this force of\u00a0attraction, whereas gravity is defined as the force that attracts objects together. The gravitational force like other forces\u00a0is measured in Newtons.The gravitational [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ Online Test\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-05T14:00:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-06-05T14:08:17+00:00\" \/>\n<meta name=\"author\" content=\"physicscatalyst\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"physicscatalyst\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Online MCQ Test For Class 11 Physics Chapter 8 Gravitation - MCQ Online Test","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/","og_locale":"en_US","og_type":"article","og_title":"Online MCQ Test For Class 11 Physics Chapter 8 Gravitation - MCQ Online Test","og_description":"One of the most basic forces\u00a0that occur between objects is gravity.\u00a0 This force is attractive in nature. The term gravity is used to describe gravitation. Gravitation is the theory that explains this force of\u00a0attraction, whereas gravity is defined as the force that attracts objects together. The gravitational force like other forces\u00a0is measured in Newtons.The gravitational [&hellip;]","og_url":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/","og_site_name":"MCQ Online Test","article_published_time":"2021-06-05T14:00:29+00:00","article_modified_time":"2021-06-05T14:08:17+00:00","author":"physicscatalyst","twitter_card":"summary_large_image","twitter_misc":{"Written by":"physicscatalyst","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/#article","isPartOf":{"@id":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/"},"author":{"name":"physicscatalyst","@id":"https:\/\/physicscatalyst.com\/testprep\/#\/schema\/person\/c8527ff9e1b5b3d4c0a232d4fce9d00d"},"headline":"Online MCQ Test For Class 11 Physics Chapter 8 Gravitation","datePublished":"2021-06-05T14:00:29+00:00","dateModified":"2021-06-05T14:08:17+00:00","mainEntityOfPage":{"@id":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/"},"wordCount":96,"commentCount":1,"publisher":{"@id":"https:\/\/physicscatalyst.com\/testprep\/#\/schema\/person\/c8527ff9e1b5b3d4c0a232d4fce9d00d"},"articleSection":["class 11 physics"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/","url":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/gravitation-mcq-class-11-physics-chapter-8\/","name":"Online MCQ Test For Class 11 Physics Chapter 8 Gravitation - 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