Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Physics Nuclear Physics Fusion and Fission
In a nuclear reactor, moderators slow down the neutrons which come out in a fission process. The moderator used have light nuclei. Heavy nuclei will not serve the purpose because
1
they will break up.
2
elastic collision of neutrons with heavy nuclei will not slow them down.
3
the net weight of the reactor would be unbearably high.
4
More than one of the above
5
None of the above