Physics Questions

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

Which of the following can do more work?

 If an object travels in a straight line and its velocity increases or decreases by equal amounts in equal intervals of time, then the acceleration of the object is said to be ______________.

What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?

The sensation of sound persists in the human brain for about:

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

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

The Brownian Motion was discovered by