A) \[^{235}U\] is fissionable by thermal neutrons
B) Fast neutrons trigger the fission process in \[n=1\text{ to }n=2\]
C) \[^{238}U\] breaks up into fragments when bombarded by slow neutrons
D) \[n=2\text{ to} n=1\] is an unstable isotope and undergoes spontaneous fission
Correct Answer: A
Solution :
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