Multiple choice

Which of the following facts about nuclear fusion is/are true?

  1. In nuclear fusion, energy is released
  2. In nuclear fusion, energy is absorbed.

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The process of nuclear fusion may release or absorb energy. When the resulting nucleus is lighter than iron, energy is normally released. When the nucleus is heavier than that of iron, energy is generally absorbed.

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