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General Knowledge Questions and Answers on Energy

#   The capacity to do work is known as?
Answer: Energy

#   Law of conservation of energy is introduced by?
Answer: Einstein

#   Prime source of energy?
Answer: Sun

#   Instrument used to convert mechanical energy into electrical energy?
Answer: Dynamo, Generator

#   Instrument used to convert chemical energy into electrical energy?
Answer: Cell

#   …………… convert electrical energy into light energy?
Answer: Electric bulb

#   Solar energy can be converted into electrical energy using?
Answer: Solar cell

#   Solar cells are made of?
Answer: Semiconductor materials

#   Semiconductors of solar cells are made with?
Answer: Germanium and Silicon