Question
Physics Question on Nuclei
The functions of moderators in nuclear reactor is to:
A
decrease the speed of neutrons
B
increase the speed of neutrons
C
decrease the speed of electrons
D
increase the speed of electrons
Answer
decrease the speed of neutrons
Explanation
Solution
In nuclear reactors the moderators are used to decrease (slowdown) the speed of neutrons. Heavy water, graphite is used for this purpose. While heavy water is the best moderator.