Question

conventional and non conventional source of energy

Answer 1

Conventional energy are energy types used for decades or centuries like coal, oil etc. It is those energy types, which are limited or non-renewable. Non-conventional is somewhat the opposite like wind, solar etc. I.e. those energy forms, which are renewable.

Answer 2

conventional sources of energy are those which are limited in nature such as fossil fuels .in conventional sources only tidal energy in not limited. non conventional sources of are those which are unlimited in nature such as wind energy ,solar energy