Critical energy should be _______________ the neutron binding energy of the atom in order to initiate a nuclear fission?
Correct answer: A. More than
- A. More than
- B. Less than
- C. Equal to
- D. Either more or less
Explanation
Fission becomes energetically possible when the excitation or critical energy exceeds the neutron binding energy of the compound nucleus. If it is below that binding energy, the nucleus is more likely to emit a neutron than fission.
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