In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be

In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be

Right Answer is:

Equal to.0 1

SOLUTION

In order to have a constant chain reaction to produce a constant rate of heat output, the value of the ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be equal to 1.

Detailed Explanation

A chain reaction refers to a process in which neutrons released in fission produce additional fission in at least one further nucleus. This nucleus in turn produces neutrons, and the process repeats.

The condition for a chain reaction is usually expressed in terms of a multiplication factor, k, which is defined as the ratio of the number of fissions produced in one step (or neutron generation) in the chain to the number of fissions in the preceding generation.

If k is less than unity (K<1) , a chain reaction cannot be sustained.

If k = 1, a steady-state chain reaction can be maintained.

if k is greater than 1, the number of fissions increases at each step, resulting in a divergent chain reaction.

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