Q157 / 160 · TS EAMCET 2023 (14 May Shift 1) · Physics

Heavy water is used as moderator in nuclear reactor because

A
It controls the energy released in the reactor
B
It absorbs neutrons and stops chain reaction
C
It cools the reactor faster
Correct answer
D
It slows down the fast moving neutrons

Solution

Use of heavy water in a nuclear reactor $t_0$ reduce the speed of fast moving neutrons.

Hence, the correct answer is option: 'D'.

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