Question
Physics Question on Nuclei
A chain reaction in fission of Uranium is possible because
A
Large amount of energy is released
B
Two intermediate size nuclear fragments are formed
C
More than one neutron is given out in each fission
D
Fragments in fission are radioactive
Answer
More than one neutron is given out in each fission
Explanation
Solution
A nuclear chain reaction occurs when one single nuclear reaction causes an average of one or more subsequent nuclear reactions, thus leading to the possibility of a self-propagating series of these reactions.