Physics Questions

A rocket is launched to travel vertically upward with a constant velocity of 20 m/s. After travelling for 35 seconds, the rocket develops a snag and its fuel supply is cut off. The rocket then travels like a free body. The height achieved by it is

Which of the following devices helps to maintain a potential difference across a conductor?

The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.

The Brownian Motion was discovered by

The work done in one complete revolution of the moon around the earth is equal to

Sensitivity of potentiometer can be increased by

A unit of power is called a

One step in the production of hydroelectric power involves _____.