CBSE BoardEnglish MediumSTD 12 SciencePhysics13. Nuclei1 Mark
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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