Question

what is energy? what are the different sources of energy 

Answer 1

Energy is defined as the work done per unit time.
different sources of energy are as follows:
1)solar energy
2)wind energy
3)mechanical energy
4)potential energy
5)kinetic energy
6)water or hydro energy
etcetra..........................

Answer 2

Explanation:

1) The power, capacity or virtue by which a work is done is called energy.

2) By the laws of convention of energy, we know that energy is non destructible and can not be created, and can only be transformed from one state to another.

3) The types or different sources of energy are - Mechanical energy, chemical energy, nuclear energy, electrical energy, thermal energy, gravitational energy, light energy, sound energy, wind energy.