Q. Heavy water is used as moderator in a nuclear reactor. The function of the moderator is
A) To control the energy released in the reactor
B) To absorb neutrons and stop chain reaction
C) To cool the reactor faster
D) To slow down the neutrons to thermal energies
Explanation
The correct answer is Option D: To slow down the neutrons to thermal energies.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.