Q. Which one of the following statements about uranium is correct
A) $\ ^{235}U$ is fissionable by thermal neutrons
B) Fast neutrons trigger the fission process in $\ ^{235}U$
C) $\ ^{235}U$ breaks up into fragments when bombarded by slow neutrons
D) $\ ^{235}U$ is an unstable isotope and undergoes spontaneous fission
Explanation
The correct answer is Option A: $\ ^{235}U$ is fissionable by thermal neutrons.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.