Q. Which of the following isotopes is normally fissionable
A) $\ _{92}U^{238}$
B) $\ _{93}{Np}^{239}$
C) $\ _{92}U^{235}$
D) $\ _{2}{He}^{4}$
Explanation
(c) $\ _{92}U^{235}$ is normally fissionable
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.