On what basis would you classify energy sources as renewable and non-renewable

Q No. 7:

On what basis would you classify energy sources as

(a)       renewable and non-renewable?

(b)       exhaustible and inexhaustible?

Are the options given in (a) and (b) the same?

Ans:

(a) The source of energy that is regenerated in nature is known as renewable source of energy. Bio-mass, sun, wind etc. are some of the examples of renewable sources of energy.

The source of energy that does not regenerated in nature is known as non-renewable source of energy. Coal, petroleum etc. are some of the examples of non-renewable sources of energy.

(b) Exhaustible sources are those sources of energy, which will exhausted or disappear after some time years. Coal, petroleum, etc. are the exhaustible sources of energy.

Inexhaustible resources of energy are those sources, which will not exhaust from nature. These are unlimited for example solar energy from sun. Sun is one of the inexhaustible sources of energy.

Yes. The options given in (a) and (b) are almost the same.