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Which of the following is a true statement about energy?

A. Energy can be created and destroyed.
B. Energy is never created nor destroyed.
C. Energy is easily created, but cannot be destroyed.
D. Energy cannot be converted from one form to another.

Respuesta :

B. Energy is never created nor destroyed.

Option (B) is correct. The energy can neither be created nor be destroyed.

Further Explanation:

The energy is the absolute form that exists in the Universe. The energy existing in the universe is absolute.

A torch may seem to produce light, a nuclear bomb may seem to produce huge amount of heat, a battery may seem to produce electric current but all of the above convert energy from one form to another.

The torch converts the electrical energy from battery into light energy, the nuclear bomb converts the matter into energy and the battery converts the chemical energy into electrical energy.

They all follow the law of conservation of energy. According to this law, the energy of a system always remains constant and it can only be changed from one form to another.

Thus, option (B) is correct. The energy can neither be created nor be destroyed.

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Conservation of Energy

Keywords:  Energy, can be created, cannot be created, cannot be destroyed, converted, one form to another, conservation of energy, absolute law.