Ever wondered about the reason for the light from the edge of clouds or from windows in your darkroom or the beautiful sunlight coming through trees or the blue color of smoke from your motorcycle engine or the blue color of the sky? These mesmerizing phenomena are known as the Tyndall effect. To understand the Tyndall effect, we need to know about colloid and suspension. … Continue reading Chemistry and Nature »

Question 1) The x-coordinate of a point on the line joining the points P(2, 2, 1) and Q(5, 1, – 2) is 4. Find its z-coordinate Question 2) Write the principle value of  tan-1(1) +cos-1(-1/2) Question 3) A fair coin is tossed 8 times, find the probability of (i) exactly 5 heads (ii) at least six heads (iii) at most six heads Question 4) Three … Continue reading Mathematics Important Questions for Class 12 Board »

Students often thinks that It is important to go coaching classes to clear the JEE Main and JEE Advanced examination .There is no doubt that Coaching classes do make education easy with knowledge being imparted by professional tutors.But it is not the only thing for success.Self study plays a major role is succeeding in the most prestigious examination in India.So students can crack JEE without coaching … Continue reading Tips and Tricks to crack JEE 2019 without coaching »