Question

A shield of material that reflects neutrons is placed around a radioactive sample. Which change in the nuclear reaction is most likely to happen?
A chain reaction will be sustained in a subcritical mass.
The chain reaction in a critical mass will stop.
A chain reaction will occur at a constant rate in a critical mass.
The chain reaction in a supercritical mass will slow down.

Answer 1

Answer:

A chain reaction will be sustained in a sub-critical mass.

Explanation:

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