Question

During a nuclear fission reaction

• A. a heavy nucleus breaks into two fragments by itself
• B. a light nucleus bombared by thermal neutrons breaks up
• C. a heavy nucleus bombared by thermal neutrons breaks up
• D. two light nuclei combine to give a heavier nucleus and possibly other products

Answer 1

Answer: (C)

a heavy nucleus bombared by thermal neutrons breaks up

In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts, and reaction is triggered by neutron bombardment.