Question
Physics Question on Nuclei
Heavy water is used as moderator in a nuclear reactor. The function of the moderator
A
To slow down the neutrons to thermal energies
B
To control the energy released in the reactor
C
To cool the reactor faster
D
To absorb neutrons arid stop chain reaction
Answer
To slow down the neutrons to thermal energies
Explanation
Solution
Answer (a) To slow down the neutrons to thermal energies