Question

Explan how solar energy can be a good alternative to conventional sources of energy

Answer 1

It is free of cost
Donot cause any pollution
Eco friendly

Answer 2

Solar cookers ,Solar water heaters ,Solar machines etc.....Which run on solar energy convert solar energy into electrical energy directly using photovoltic cells.

The 3 main metals used in manufacturing photovoltic cells are Silver, Germanium and Silicon

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