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← ScienceWhich instability results when neutron moderation fails in fission?
A)Kinetic energy approaches fusion threshold
B)Chain reaction diverges beyond control✓
C)Critical mass decreases exothermically
D)Ratio of isotopes shifts drastically
💡 Explanation
When neutron moderation fails, the fission reaction rate increases because of runaway chain reaction. This is because the increasing of the amount of neutrons causes more and more fissions to quickly occur, therefore a chain starts rather than reaching stable energy production at steady state.
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