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In a nuclear reactor , moderators slow d...

In a nuclear reactor , moderators slow down the neutrons which come out in a fission process. The moderator used have light nuclei. Heavy nuclei will not serve the purpose because,

A

They will break up

B

elastic collision of neutrons with heavy nuclei will not slow them down

C

the net weight of the reactor woud be unbearably high

D

substances with heavy nuclei do not occur in liquid or gaseous state at room temperature .

Text Solution

Verified by Experts

The correct Answer is:
b
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