Same chapter3 marksDifficulty: Medium
Distinguish between nuclear fission and nuclear fusion.
Radioactivity
1 markDifficulty: Medium
When a nucleus emits a beta particle, its atomic number:
- aincreases by 1
- bdecreases by 1
- cdecreases by 2
- dis unchanged
Original Khojo Papers practice question — not from a past board paper.
Answer
increases by 1
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A neutron in the nucleus becomes a proton and an electron, and the electron is emitted.
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