Atoms And Nuclei Question 352
Question: For fission of uranium $ _{95}^{235}U $ , one needs
Options:
A) very fast neutrons (a few electrons volts)
B) low energy neutrons ( $ \approx $ 0.04 eV at 300K)
C) a moderator making neutrons slow
D) both and
Show Answer
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.
