Physics Questions

During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.

Sensitivity of potentiometer can be increased by

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

Knife is an example for

Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?

Mechanical energy is the sum of

Multiplication of equivalent weight and valency of an element is equal to ______.

The speed of the light is maximum in