Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is_______________?
Correct answer: A. 3
- A. 3
- B. 235
- C. 200
- D. 92
Explanation
Fission of one uranium-235 nucleus by a slow neutron releases about two to three secondary neutrons, commonly stated as three in basic MCQs. These neutrons sustain the chain reaction.
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