Physics · Nuclear Physics

Why is it necessary to have a 'critical mass' to sustain a nuclear chain reaction?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1To prevent the fissionable material from melting due to low temperature
2To ensure that enough released neutrons are captured to sustain the self-supporting fission chain reaction✓
3To ensure that neutrons are scattered without causing further fission
4To allow neutrons to easily escape from the surface of the fissionable material

Correct answer

To ensure that enough released neutrons are captured to sustain the self-supporting fission chain reaction

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