Physics Questions

Which of the following changes when a body performs uniform circular motion?

Which of the following is a characteristic of an exothermic reaction?

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

If two coulomb of charge flows through any cross-section of a conductor in one second, what will be the current flowing through it?

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

Mirages are formed primarily due to ___ of light.

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

When the car takes a bend, the force that pushes us to the outside of the curve is the