Question

Define critical mass in a nuclear reaction.​

Answer 1

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A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction. The critical mass of a fissionable materialdepends upon its nuclear properties, its density, shape, purity and its surrounding..

Answer 2

Answer:

A critical mass is the smallest amount of fissile material needed for a sustained nuclear chain reaction. The critical mass of a fissionable materialdepends upon its nuclear properties, its density, shape, purity and its surrounding.