Tag Archives: class 10


Sources of Energy QUES.1 What are Sources of energy? Ans. 1  A substance that provides us with energy in the form of heat,light etc. is  known as sources of energy. E.g Coal, petroleum, wood. Ques.2 State various types of sources of energy. Difference between them? Ans.2 Renewable Non-Renewable These are called alternative sources of energy… Read More »