{"id":1959,"date":"2021-06-13T17:12:17","date_gmt":"2021-06-13T17:12:17","guid":{"rendered":"https:\/\/physicscatalyst.com\/testprep\/class-11-math\/mechanical-properties-of-solids-mcq\/"},"modified":"2021-06-15T11:55:48","modified_gmt":"2021-06-15T11:55:48","slug":"mechanical-properties-of-solids-mcq","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/testprep\/class-11-physics\/mechanical-properties-of-solids-mcq\/","title":{"rendered":"Mcq on mechanical properties of fluids class 11"},"content":{"rendered":"\n<p>Check out MCQ on mechanical properties of fluids for Class 11 Physics. This covers the topic like Stress, strain, Hooke&#8217;s law, Elastic energy etc. The Types of questions are True\/False, Assertion and Reason, Multiple choice questions<\/p>\n\n\n\n<p>I hope you will enjoy this test<\/p>\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=\"submittingExam308\" 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-308\"><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 20 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-308\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-5524'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>Which of the following has no dimensions?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='5524' class='watupro-question-id'\/><input type='hidden' id='answerType5524' class='answerTypeCnt1' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5524'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5524[]' id='answer-id-21964' class='answer   answerof-5524  ' value='21964'   \/><label for='answer-id-21964' id='answer-label-21964' class=' answer'><span>Angular Velocity<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5524[]' id='answer-id-21965' class='answer   answerof-5524  ' value='21965'   \/><label for='answer-id-21965' id='answer-label-21965' class=' answer'><span>Stress<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5524[]' id='answer-id-21966' class='answer   answerof-5524  ' value='21966'   \/><label for='answer-id-21966' id='answer-label-21966' class=' answer'><span>Angular Momentum<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5524[]' id='answer-id-21967' class='answer   answerof-5524  ' value='21967'   \/><label for='answer-id-21967' id='answer-label-21967' class=' answer'><span>Strain<\/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-5525'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>Longitudinal strain is possible in<\/div><input type='hidden' name='question_id[]' id='qID_2' value='5525' class='watupro-question-id'\/><input type='hidden' id='answerType5525' class='answerTypeCnt2' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5525'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5525[]' id='answer-id-21968' class='answer   answerof-5525  ' value='21968'   \/><label for='answer-id-21968' id='answer-label-21968' class=' answer'><span>gases <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5525[]' id='answer-id-21969' class='answer   answerof-5525  ' value='21969'   \/><label for='answer-id-21969' id='answer-label-21969' class=' answer'><span>liquids<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5525[]' id='answer-id-21970' class='answer   answerof-5525  ' value='21970'   \/><label for='answer-id-21970' id='answer-label-21970' class=' answer'><span>solids<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5525[]' id='answer-id-21971' class='answer   answerof-5525  ' value='21971'   \/><label for='answer-id-21971' id='answer-label-21971' class=' answer'><span>All the above<\/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-5526'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>A stretched rubber has<\/div><input type='hidden' name='question_id[]' id='qID_3' value='5526' class='watupro-question-id'\/><input type='hidden' id='answerType5526' class='answerTypeCnt3' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5526'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5526[]' id='answer-id-21972' class='answer   answerof-5526  ' value='21972'   \/><label for='answer-id-21972' id='answer-label-21972' class=' answer'><span>increased kinetic energy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5526[]' id='answer-id-21973' class='answer   answerof-5526  ' value='21973'   \/><label for='answer-id-21973' id='answer-label-21973' class=' answer'><span>increased potential energy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5526[]' id='answer-id-21974' class='answer   answerof-5526  ' value='21974'   \/><label for='answer-id-21974' id='answer-label-21974' class=' answer'><span>decreased kinetic energy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5526[]' id='answer-id-21975' class='answer   answerof-5526  ' value='21975'   \/><label for='answer-id-21975' id='answer-label-21975' class=' answer'><span>decreased potential energy<\/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-5527'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>A spring is stretched by applying a load to its free end.The strain produced in the spring is<\/div><input type='hidden' name='question_id[]' id='qID_4' value='5527' class='watupro-question-id'\/><input type='hidden' id='answerType5527' class='answerTypeCnt4' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5527'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5527[]' id='answer-id-21976' class='answer   answerof-5527  ' value='21976'   \/><label for='answer-id-21976' id='answer-label-21976' class=' answer'><span>volumetric<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5527[]' id='answer-id-21977' class='answer   answerof-5527  ' value='21977'   \/><label for='answer-id-21977' id='answer-label-21977' class=' answer'><span>shear<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5527[]' id='answer-id-21978' class='answer   answerof-5527  ' value='21978'   \/><label for='answer-id-21978' id='answer-label-21978' class=' answer'><span>longitudinal and shear<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5527[]' id='answer-id-21979' class='answer   answerof-5527  ' value='21979'   \/><label for='answer-id-21979' id='answer-label-21979' class=' answer'><span>longitudinal<\/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-5528'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>The length of the metal wire\u00a0 is a when the tension is T<sub>1<\/sub> and b when the tension is T<sub>2<\/sub>. The original length of the wire is<\/div><input type='hidden' name='question_id[]' id='qID_5' value='5528' class='watupro-question-id'\/><input type='hidden' id='answerType5528' class='answerTypeCnt5' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5528'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5528[]' id='answer-id-21980' class='answer   answerof-5528  ' value='21980'   \/><label for='answer-id-21980' id='answer-label-21980' class=' answer'><span>$\\frac {T_2a  - T_1 b}{T_2 - T_1}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5528[]' id='answer-id-21981' class='answer   answerof-5528  ' value='21981'   \/><label for='answer-id-21981' id='answer-label-21981' class=' answer'><span>$\\frac {T_2b  - T_1 a}{T_2 - T_1}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5528[]' id='answer-id-21982' class='answer   answerof-5528  ' value='21982'   \/><label for='answer-id-21982' id='answer-label-21982' class=' answer'><span>$\\frac {T_2a  + T_1 b}{T_2 + T_1}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5528[]' id='answer-id-21983' class='answer   answerof-5528  ' value='21983'   \/><label for='answer-id-21983' id='answer-label-21983' class=' answer'><span>$\\frac {T_2a  - T_1 b}{T_2 + T_1}$<\/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-5529'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>A wire of length L and cross-sectional area A is made of a material of Young\u2019s modulus Y, if the wire is stretched by an amount y, the work done is<\/div><input type='hidden' name='question_id[]' id='qID_6' value='5529' class='watupro-question-id'\/><input type='hidden' id='answerType5529' class='answerTypeCnt6' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5529'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5529[]' id='answer-id-21984' class='answer   answerof-5529  ' value='21984'   \/><label for='answer-id-21984' id='answer-label-21984' class=' answer'><span>$\\frac {YAy^2}{4L}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5529[]' id='answer-id-21985' class='answer   answerof-5529  ' value='21985'   \/><label for='answer-id-21985' id='answer-label-21985' class=' answer'><span>$\\frac {YAy}{2L}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5529[]' id='answer-id-21986' class='answer   answerof-5529  ' value='21986'   \/><label for='answer-id-21986' id='answer-label-21986' class=' answer'><span>$\\frac {YA}{2Ly^2}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5529[]' id='answer-id-21987' class='answer   answerof-5529  ' value='21987'   \/><label for='answer-id-21987' id='answer-label-21987' class=' answer'><span>$\\frac {YAy^2}{2L}$<\/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-5530'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>The length of the two wires made of the same material having equal cross-sectional areas is L and 2L. They are stretched by the equal force F along the length. What will be the ratio of tension developed in the wires?<\/div><input type='hidden' name='question_id[]' id='qID_7' value='5530' class='watupro-question-id'\/><input type='hidden' id='answerType5530' class='answerTypeCnt7' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5530'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5530[]' id='answer-id-21988' class='answer   answerof-5530  ' value='21988'   \/><label for='answer-id-21988' id='answer-label-21988' class=' answer'><span>1:2<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5530[]' id='answer-id-21989' class='answer   answerof-5530  ' value='21989'   \/><label for='answer-id-21989' id='answer-label-21989' class=' answer'><span>2 :1 <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5530[]' id='answer-id-21990' class='answer   answerof-5530  ' value='21990'   \/><label for='answer-id-21990' id='answer-label-21990' class=' answer'><span>1: 4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5530[]' id='answer-id-21991' class='answer   answerof-5530  ' value='21991'   \/><label for='answer-id-21991' id='answer-label-21991' class=' answer'><span>1: 1<\/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-5531'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>Two wires are made of the same material. The Length of the first wire is half that of the second wire and the radius of the first wire is twice that of the second wire. If the same\u00a0 weight W is suspended\u00a0 from the two wires, the ratio of the increase in their lengths is<\/div><input type='hidden' name='question_id[]' id='qID_8' value='5531' class='watupro-question-id'\/><input type='hidden' id='answerType5531' class='answerTypeCnt8' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5531'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5531[]' id='answer-id-21992' class='answer   answerof-5531  ' value='21992'   \/><label for='answer-id-21992' id='answer-label-21992' class=' answer'><span>8: 1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5531[]' id='answer-id-21993' class='answer   answerof-5531  ' value='21993'   \/><label for='answer-id-21993' id='answer-label-21993' class=' answer'><span>1: 4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5531[]' id='answer-id-21994' class='answer   answerof-5531  ' value='21994'   \/><label for='answer-id-21994' id='answer-label-21994' class=' answer'><span>1: 8<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5531[]' id='answer-id-21995' class='answer   answerof-5531  ' value='21995'   \/><label for='answer-id-21995' id='answer-label-21995' class=' answer'><span>4: 1 <\/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-5532'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>The dimension of the Modulus of rigidity $\\eta$ is<\/div><input type='hidden' name='question_id[]' id='qID_9' value='5532' class='watupro-question-id'\/><input type='hidden' id='answerType5532' class='answerTypeCnt9' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5532'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5532[]' id='answer-id-21996' class='answer   answerof-5532  ' value='21996'   \/><label for='answer-id-21996' id='answer-label-21996' class=' answer'><span>$ML^{-3}T^{-2}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5532[]' id='answer-id-21997' class='answer   answerof-5532  ' value='21997'   \/><label for='answer-id-21997' id='answer-label-21997' class=' answer'><span>$ML^{-2}T^{-2}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5532[]' id='answer-id-21998' class='answer   answerof-5532  ' value='21998'   \/><label for='answer-id-21998' id='answer-label-21998' class=' answer'><span>$ML^{-1}T^{-1}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5532[]' id='answer-id-21999' class='answer   answerof-5532  ' value='21999'   \/><label for='answer-id-21999' id='answer-label-21999' class=' answer'><span>$ML^{-1}T^{-2}$<\/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-5533'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>A solid sphere of radius R made of a material of bulk modulus K is surrounded by a liquid in a cylindrical container. A massless piston of area A floats on the surface of the liquid. When a mass M is placed on the piston to compress the liquid, the fractional change in the radius of the sphere is<\/div><input type='hidden' name='question_id[]' id='qID_10' value='5533' class='watupro-question-id'\/><input type='hidden' id='answerType5533' class='answerTypeCnt10' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5533'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5533[]' id='answer-id-22000' class='answer   answerof-5533  ' value='22000'   \/><label for='answer-id-22000' id='answer-label-22000' class=' answer'><span>$\\frac {Mg}{5KA}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5533[]' id='answer-id-22001' class='answer   answerof-5533  ' value='22001'   \/><label for='answer-id-22001' id='answer-label-22001' class=' answer'><span>$\\frac {Mg}{KA}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5533[]' id='answer-id-22002' class='answer   answerof-5533  ' value='22002'   \/><label for='answer-id-22002' id='answer-label-22002' class=' answer'><span>$\\frac {Mg}{3KA}$<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5533[]' id='answer-id-22003' class='answer   answerof-5533  ' value='22003'   \/><label for='answer-id-22003' id='answer-label-22003' class=' answer'><span>$\\frac {Mg}{2KA}$<\/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-5534'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>(a) If both assertion and reason are true and reason is the correct explanation of the assertion.<br \/>\r\n(b) If both assertion and reason are true but reason is not correct explanation of the assertion.<br \/>\r\n(c) If assertion is true, but reason is false.<br \/>\r\n(d) If both assertion and reason are false.<br \/>\r\n<br \/>\r\n<strong>Assertion<\/strong>: Lead is more elastic than rubber.<br \/>\r\n<br \/>\r\n<strong>Reason<\/strong>: If the same load is attached to lead and rubber wires of the same cross-sectional area, the strain of lead is very much less than that of rubber<\/div><input type='hidden' name='question_id[]' id='qID_11' value='5534' class='watupro-question-id'\/><input type='hidden' id='answerType5534' class='answerTypeCnt11' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5534'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5534[]' id='answer-id-22004' class='answer   answerof-5534  ' value='22004'   \/><label for='answer-id-22004' id='answer-label-22004' class=' answer'><span>a<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5534[]' id='answer-id-22005' class='answer   answerof-5534  ' value='22005'   \/><label for='answer-id-22005' id='answer-label-22005' class=' answer'><span>b<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5534[]' id='answer-id-22006' class='answer   answerof-5534  ' value='22006'   \/><label for='answer-id-22006' id='answer-label-22006' class=' answer'><span>c<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5534[]' id='answer-id-22007' class='answer   answerof-5534  ' value='22007'   \/><label for='answer-id-22007' id='answer-label-22007' class=' answer'><span>d<\/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-5535'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>(a) If both assertion and reason are true and reason is the correct explanation of the assertion.<br \/>\r\n(b) If both assertion and reason are true but reason is not correct explanation of the assertion.<br \/>\r\n(c) If assertion is true, but reason is false.<br \/>\r\n(d) If both assertion and reason are false.<br \/>\r\n(e) If reason is true but assertion is false<br \/>\r\n<br \/>\r\n<strong>Assertion<\/strong>: Stress is the internal force per unit area of abody.<br \/>\r\n<strong>Reason<\/strong>: Rubber is more elastic than steel.<\/div><input type='hidden' name='question_id[]' id='qID_12' value='5535' class='watupro-question-id'\/><input type='hidden' id='answerType5535' class='answerTypeCnt12' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5535'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5535[]' id='answer-id-22008' class='answer   answerof-5535  ' value='22008'   \/><label for='answer-id-22008' id='answer-label-22008' class=' answer'><span>a<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5535[]' id='answer-id-22009' class='answer   answerof-5535  ' value='22009'   \/><label for='answer-id-22009' id='answer-label-22009' class=' answer'><span>b<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5535[]' id='answer-id-22010' class='answer   answerof-5535  ' value='22010'   \/><label for='answer-id-22010' id='answer-label-22010' class=' answer'><span>c<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5535[]' id='answer-id-22011' class='answer   answerof-5535  ' value='22011'   \/><label for='answer-id-22011' id='answer-label-22011' class=' answer'><span>d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5535[]' id='answer-id-22012' class='answer   answerof-5535  ' value='22012'   \/><label for='answer-id-22012' id='answer-label-22012' class=' answer'><span>e<\/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-5536'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>(a) If both assertion and reason are true and reason is the correct explanation of the assertion.<br \/>\r\n(b) If both assertion and reason are true but reason is not correct explanation of the assertion.<br \/>\r\n(c) If assertion is true, but reason is false.<br \/>\r\n(d) If both assertion and reason are false.<br \/>\r\n(e) If reason is true but assertion is false<br \/>\r\n<br \/>\r\n<strong>Assertion<\/strong>: Modulus of elasticity of most of the materials decrease with an increase in temperature<br \/>\r\n<br \/>\r\n<strong>Reason<\/strong>: The interatomic forces of attraction becomes weaker as the temperature is increased<\/div><input type='hidden' name='question_id[]' id='qID_13' value='5536' class='watupro-question-id'\/><input type='hidden' id='answerType5536' class='answerTypeCnt13' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5536'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5536[]' id='answer-id-22013' class='answer   answerof-5536  ' value='22013'   \/><label for='answer-id-22013' id='answer-label-22013' class=' answer'><span>a<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5536[]' id='answer-id-22014' class='answer   answerof-5536  ' value='22014'   \/><label for='answer-id-22014' id='answer-label-22014' class=' answer'><span>b<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5536[]' id='answer-id-22015' class='answer   answerof-5536  ' value='22015'   \/><label for='answer-id-22015' id='answer-label-22015' class=' answer'><span>c<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5536[]' id='answer-id-22016' class='answer   answerof-5536  ' value='22016'   \/><label for='answer-id-22016' id='answer-label-22016' class=' answer'><span>d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5536[]' id='answer-id-22017' class='answer   answerof-5536  ' value='22017'   \/><label for='answer-id-22017' id='answer-label-22017' class=' answer'><span>e<\/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-5537'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>(a) If both assertion and reason are true and reason is the correct explanation of the assertion.<br \/>\r\n(b) If both assertion and reason are true but reason is not correct explanation of the assertion.<br \/>\r\n(c) If assertion is true, but reason is false.<br \/>\r\n(d) If both assertion and reason are false.<br \/>\r\n(e) If reason is true but assertion is false<br \/>\r\n<br \/>\r\n<strong>Assertion<\/strong>: Young\u2019s modulus for a perfectly plastic body is zero.<br \/>\r\n<strong>Reason<\/strong>: For a perfectly plastic body, restoring force is zero<\/div><input type='hidden' name='question_id[]' id='qID_14' value='5537' class='watupro-question-id'\/><input type='hidden' id='answerType5537' class='answerTypeCnt14' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5537'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5537[]' id='answer-id-22018' class='answer   answerof-5537  ' value='22018'   \/><label for='answer-id-22018' id='answer-label-22018' class=' answer'><span>a<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5537[]' id='answer-id-22019' class='answer   answerof-5537  ' value='22019'   \/><label for='answer-id-22019' id='answer-label-22019' class=' answer'><span>b<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5537[]' id='answer-id-22020' class='answer   answerof-5537  ' value='22020'   \/><label for='answer-id-22020' id='answer-label-22020' class=' answer'><span>c<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5537[]' id='answer-id-22021' class='answer   answerof-5537  ' value='22021'   \/><label for='answer-id-22021' id='answer-label-22021' class=' answer'><span>d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5537[]' id='answer-id-22022' class='answer   answerof-5537  ' value='22022'   \/><label for='answer-id-22022' id='answer-label-22022' class=' answer'><span>e<\/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-5538'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>A thin rod of negligible mass whose area of cross-section is $5\\times 10^{-6} m^2$, is suspended vertically from its one end. Its length is 1 m at a temperature of $100^0C$. The rod is now cooled to $0^0C$but is prevented from contracting by suspended a mass at its lower end.<br \/>\r\n<br \/>\r\nYoung's modulus of the material of the rod is $2 \\times 10^{11} N\/m^2$ and coefficient of thermal expansion =$10^{-5} K^{-1}$ and g=10N\/kg<br \/>\r\n<br \/>\r\nFind the value of the suspended mass?<\/div><input type='hidden' name='question_id[]' id='qID_15' value='5538' class='watupro-question-id'\/><input type='hidden' id='answerType5538' class='answerTypeCnt15' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5538'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5538[]' id='answer-id-22023' class='answer   answerof-5538  ' value='22023'   \/><label for='answer-id-22023' id='answer-label-22023' class=' answer'><span>10 Kg<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5538[]' id='answer-id-22024' class='answer   answerof-5538  ' value='22024'   \/><label for='answer-id-22024' id='answer-label-22024' class=' answer'><span>100 kg<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5538[]' id='answer-id-22025' class='answer   answerof-5538  ' value='22025'   \/><label for='answer-id-22025' id='answer-label-22025' class=' answer'><span>1000 kg<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5538[]' id='answer-id-22026' class='answer   answerof-5538  ' value='22026'   \/><label for='answer-id-22026' id='answer-label-22026' class=' answer'><span>500 kg<\/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-5539'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>The energy stored in the rod will be<\/div><input type='hidden' name='question_id[]' id='qID_16' value='5539' class='watupro-question-id'\/><input type='hidden' id='answerType5539' class='answerTypeCnt16' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5539'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5539[]' id='answer-id-22027' class='answer   answerof-5539  ' value='22027'   \/><label for='answer-id-22027' id='answer-label-22027' class=' answer'><span>1 J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5539[]' id='answer-id-22028' class='answer   answerof-5539  ' value='22028'   \/><label for='answer-id-22028' id='answer-label-22028' class=' answer'><span>.8 J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5539[]' id='answer-id-22029' class='answer   answerof-5539  ' value='22029'   \/><label for='answer-id-22029' id='answer-label-22029' class=' answer'><span>.4 J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5539[]' id='answer-id-22030' class='answer   answerof-5539  ' value='22030'   \/><label for='answer-id-22030' id='answer-label-22030' class=' answer'><span>.5 J<\/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-5540'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>For a given material, the Young\u2019s modulus is 2.4 times that of the rigidity modulus. The Poissons\u2019s ratio is<\/div><input type='hidden' name='question_id[]' id='qID_17' value='5540' class='watupro-question-id'\/><input type='hidden' id='answerType5540' class='answerTypeCnt17' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5540'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5540[]' id='answer-id-22031' class='answer   answerof-5540  ' value='22031'   \/><label for='answer-id-22031' id='answer-label-22031' class=' answer'><span>.1<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5540[]' id='answer-id-22032' class='answer   answerof-5540  ' value='22032'   \/><label for='answer-id-22032' id='answer-label-22032' class=' answer'><span>.4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5540[]' id='answer-id-22033' class='answer   answerof-5540  ' value='22033'   \/><label for='answer-id-22033' id='answer-label-22033' class=' answer'><span>.2<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5540[]' id='answer-id-22034' class='answer   answerof-5540  ' value='22034'   \/><label for='answer-id-22034' id='answer-label-22034' class=' answer'><span>.5<\/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-5541'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>For an ideal liquid, four statements are made<br \/>\r\n(i) the bulk modulus is infinite.<br \/>\r\n(ii) the bulk modulus is zero.<br \/>\r\n(iii) the shear modulus is infinite.<br \/>\r\n(iv) the shear modulus is zero<br \/>\r\n<br \/>\r\nWhich of the following are true<br \/>\r\n<br \/>\r\n(a) (i) and (iii)<br \/>\r\n<br \/>\r\n(b) (ii) and (iv)<br \/>\r\n<br \/>\r\n(c) (ii) and (iii)<br \/>\r\n<br \/>\r\n(d) (i) and (iv)<\/div><input type='hidden' name='question_id[]' id='qID_18' value='5541' class='watupro-question-id'\/><input type='hidden' id='answerType5541' class='answerTypeCnt18' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5541'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5541[]' id='answer-id-22035' class='answer   answerof-5541  ' value='22035'   \/><label for='answer-id-22035' id='answer-label-22035' class=' answer'><span>a<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5541[]' id='answer-id-22036' class='answer   answerof-5541  ' value='22036'   \/><label for='answer-id-22036' id='answer-label-22036' class=' answer'><span>b<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5541[]' id='answer-id-22037' class='answer   answerof-5541  ' value='22037'   \/><label for='answer-id-22037' id='answer-label-22037' class=' answer'><span>c<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5541[]' id='answer-id-22038' class='answer   answerof-5541  ' value='22038'   \/><label for='answer-id-22038' id='answer-label-22038' class=' answer'><span>d<\/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-5542'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>19. <\/span>Consider a long steel bar under tensile stress due to forces F acting at the edges along the length of the bar\u00a0 Consider a plane making an angle \u03b8 with the length. What is the tensile and shearing stresses on this plane?<br \/>\r\n<br \/>\r\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1958\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/uploads\/2021\/06\/properties-of-solids-1.png\" alt=\"\" width=\"465\" height=\"167\" \/>For what angle is the tensile stress a maximum?<\/div><input type='hidden' name='question_id[]' id='qID_19' value='5542' class='watupro-question-id'\/><input type='hidden' id='answerType5542' class='answerTypeCnt19' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5542'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5542[]' id='answer-id-22039' class='answer   answerof-5542  ' value='22039'   \/><label for='answer-id-22039' id='answer-label-22039' class=' answer'><span>0<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5542[]' id='answer-id-22040' class='answer   answerof-5542  ' value='22040'   \/><label for='answer-id-22040' id='answer-label-22040' class=' answer'><span>&pi;\/2<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5542[]' id='answer-id-22041' class='answer   answerof-5542  ' value='22041'   \/><label for='answer-id-22041' id='answer-label-22041' class=' answer'><span>&pi;\/4<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5542[]' id='answer-id-22042' class='answer   answerof-5542  ' value='22042'   \/><label for='answer-id-22042' id='answer-label-22042' class=' answer'><span>&pi;\/3<\/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-5543'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>For what angle is the shearing stress a maximum?<\/div><input type='hidden' name='question_id[]' id='qID_20' value='5543' class='watupro-question-id'\/><input type='hidden' id='answerType5543' class='answerTypeCnt20' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices5543'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5543[]' id='answer-id-22043' class='answer   answerof-5543  ' value='22043'   \/><label for='answer-id-22043' id='answer-label-22043' class=' answer'><span>0<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5543[]' id='answer-id-22044' class='answer   answerof-5543  ' value='22044'   \/><label for='answer-id-22044' id='answer-label-22044' class=' answer'><span>&pi;\/2<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5543[]' id='answer-id-22045' class='answer   answerof-5543  ' value='22045'   \/><label for='answer-id-22045' id='answer-label-22045' class=' answer'><span>&pi;\/3<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-5543[]' id='answer-id-22046' class='answer   answerof-5543  ' value='22046'   \/><label for='answer-id-22046' id='answer-label-22046' class=' answer'><span>&pi;\/4<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-21'>\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=\"watuPROButtons308\" >\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; 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   \t \n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Check out MCQ on mechanical properties of fluids for Class 11 Physics. 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