Energy II

The type of potential energy stored when the shape and size of body is changed is called ________ potential energy.

The potential energy stored in a body taken to a height above ground is ________ potential energy.

The sum of potential energy and kinetc energy is called _______ energy.

An electric iron converts electrical energy to _____ energy.

During photosynthesis , light energy from sun gets converted to ________ energy.

Rate of doing work by the body is called ________.

When energy gets transformed from one form to another desired form, a part of it is wasted due to friction and is lost to surroundings. This part of energy which cannot be used for any productive purpose is called ________ form of energy.

A simple pendulum at its mean position possesses

• only K.E

• only P.E

• both P.E and K.E

Which law states that sum of the potential energy and kinetic energy remains constant at each instant whenever there is an inter-conversion of potential energy and kinetic energy?

During free fall of a body , at any position between the top and bottom , the body possesses

• only K.E

• only P.E

• both P.E and K.E

• nether P.E nor K.E but some other form of energy.