Physics Questions

A raised hammer possesses

A wooden block of mass m1 kg accelerates at m/s when a force of 5 N acts on it. Another block of mass m2 kg accelerates at 20 m/s when the same force acts on it. If both the blocks are tied together and the same force acts on their combination, the acceleration will be about

Optical fibre works on which of the following principle of light?

Which rays cause skin damage?

The material used in electric heater is

The atomic bomb is based on the principle of

Which of the following is a renewable source of energy?

The rate of change of linear momentum of a body is proportional to the ___________ acting on it.