Q. 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
Explanation
(a) 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
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.