2020 · Q106
Which one among the following is a non-conventional source of energy?
General KnowledgePhysics
- APetroleum
- BCoal
- CRadioactive elements
- DSolar energy
Explanation
Solar energy is a non-conventional (renewable) energy source. Petroleum and coal are conventional fossil fuels, and radioactive elements fuel conventional nuclear power. Solar energy is the non-conventional source listed.