Atoms And Nuclei Question 352
For fission of uranium $ _{92}^{235}U $ , one needs
Options:
A) very fast neutrons (a few electron volts)
B) low energy neutrons ( $ \approx $ 0.04 eV at 300K)
C) a moderator making neutrons slow
D) both and
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Answer:
Correct Answer: D
Solution:
- Fission of $ _{92}^{235}U $ is possible by only slow neutrons. To produce slow neutrons, one has to use moderators so, that fission is possible.
BETA
