Home Physics Atomic and Nuclear Physics Nucleus, Nuclear Reaction Work of moderator is
Physics Atomic and Nuclear Physics Nucleus, Nuclear Reaction MCQ (Single Correct)

Work of moderator is

A
To control the velocity of neutrons
B
Cooling
C
As fuel
D
It is used for safety

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Text Solution

Verified by Experts
The correct answer is:
A

A moderator in a nuclear reactor slows down fast neutrons to thermal (slow) neutrons, which increases the probability of nuclear fission.

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