Physics Questions

What is the SI unit of Power?

A force of 200 N displaces a body by 4 m, calculate the work done (in J).

If speed of rotation of the earth increases, the weight of the body

Which of the following is not a vector quantity?

The reflection formed by the plane mirror is ________________.

As a sailor jumps in the forward direction, the boat moves backwards. This example illustrates Newton's :

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is same as that of earth and radius is half as that of earth is _________________.

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.