MCQ
What is used as a moderator in a nuclear reactor
  • A
    Water
  • Graphite
  • C
    Cadmium
  • D
    Steel

Answer

Correct option: B.
Graphite
b
(b) A substance that is used in a nuclear reactor to slow down the neutrons is a moderator. Examples of moderators used are water, beryllium, graphite, heavy water etc.

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