user image

Ramesh Gupta

Class 10th
English
2 years ago

What is used as a moderator in a reactor

user image

Dileep Vishwakarma

2 years ago

For efficient slowing down of these neutrons, the atoms of moderator material need to have a size close to neutrons and thus the clear choice is H2O since hydrogen has the smallest atomic size. Other popular moderators are graphite, heavy water, sodium, and CO2.

Recent Doubts

Close [x]