In an atom bomb, the energy is released because of the.

Options

A. chain reaction of neutrons and `._92 U^238`
B. chain reaction of neutrons and `._92 U^236`
C. chain reaction of neutrons and `._92 U^235`
D. chain reaction of neutrons and `._92 U^240`

Answer

C

Explanation

( c) When uranium `-235` is bombarded by neutrons, each uranium nucleus is broken into two nearly equal fragments and along with it huge energy.
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and two ot three fresh neutron are liberated . Under favourable conditions. These neutrons fission other uranium nuclei in the same way. Thus, a chain of nuclear fissions is established which continues until the whole of the uranium is consumed.