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Neutrons are slowed down in a nuclear re...

Neutrons are slowed down in a nuclear reactor by

A

Fissionable material

B

Moderator

C

Control rods

D

Cooling system

Text Solution

Verified by Experts

The correct Answer is:
B
In thermal nuclear reactors, the coolant acts as a modera tor that must slow down the neutrons before they can be efficiently absorbed by the fuel. It allows neutrons to slow down to energies where they can easily cause a nucleus to fission.
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