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← ScienceWhich mechanism causes increased neutron flux in Uranium-235 enrichment?
A)Neutron multiplication sustained chain reaction✓
B)Spontaneous fission isotope decay feedback
C)Resonance absorption cross-section minimization
D)Moderator accumulation delayed secondary emission
💡 Explanation
The increased neutron flux is due to neutron multiplication, a sustained chain reaction. Each fission event releases multiple neutrons causing more fission because the critical mass is achieved; therefore, a chain reaction occurs rather than a slower, self-limiting isotope decay process.
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