A chain reaction grows when the average number of liberated neutrons which go on to cause further fissions is
A) less than one.
B) greater than one.
C) zero.
D) one.

Question

Quizplus · Accepted Answer

A chain reaction grows when the average number of liberated neutrons which go on to cause further fissions is greater than one. This means each fission event causes more than one subsequent fission, leading to an increasing number of fissions over time.

A Chain Reaction Grows When the Average Number of Liberated