I was taking tuitions on Physics for students of Higher Secondary students in a private tuitions center. There was a topic on Moment of Inertia. There were many principles and lengthy derivations for the formula for Moment of Inertia. The students were...

Volcanoes are mountains or hills having violent outbursts of the rocky materials underneath the surface of the earth. The earth has a very high temperature underneath. Everything below its surface is in a molten form. This molten liquid is called LAVA....

Ram and Shyam went to reserve tickets for themselves in a railway station during a summer. As usual, there was a long queue. Both of them joined the queue. Ram was restless and began complaining about standing in that queue. But, Shyam was conversing...