Q97
Enriched uranium may contain fissionable contents of the order of
A.
1-99%
AnswerB.
1-25%
C.
1-50%
D.
1-75%
Answer: Option A
Solution
Answer: Option A
Solution:
Natural uranium is 99.284% 238U isotope, with 235U only constituting about 0.711% of its mass. 235U is the only nuclide existing in nature (in any appreciable amount) that is fissile with thermal neutrons.