how does critical mass play a role in nuclear reactions?\nit is the minimum amount of material needed to…

how does critical mass play a role in nuclear reactions?\nit is the minimum amount of material needed to start a fission reaction.\nit is the minimum amount of material needed to start a fusion reaction.\nit is the minimum amount of material needed to sustain a fission reaction.\nit is the minimum amount of material needed to sustain a fusion reaction.

how does critical mass play a role in nuclear reactions?\nit is the minimum amount of material needed to start a fission reaction.\nit is the minimum amount of material needed to start a fusion reaction.\nit is the minimum amount of material needed to sustain a fission reaction.\nit is the minimum amount of material needed to sustain a fusion reaction.

Answer

Brief Explanations:

Critical mass is related to nuclear fission. It's the minimum amount of fissile material required to sustain a chain - reaction. Fusion reactions don't rely on critical mass in the same way as fission reactions.

Answer:

It is the minimum amount of material needed to sustain a fission reaction.