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Which of the following statements is an example of the law of conservation of energy?

Option: 1

 A light bulb that converts electrical energy into light energy


Option: 2

 A car engine that converts chemical energy into mechanical energy


Option: 3

 A radio that converts electromagnetic energy into sound energy


Option: 4

 All of the above

 


Answers (1)

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All of the options given involve the conversion of one form of energy to another, an example of the law of conservation of energy. Electrical energy is converted into light energy in a light bulb, chemical energy is converted into mechanical energy in a car engine, and electromagnetic energy is converted into sound energy in a radio.

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