Same chapter1 markDifficulty: Easy
An alpha particle is:
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2 marksDifficulty: Easy
During beta decay the mass number of the nucleus:
- aincreases by 1
- bdecreases by 1
- cremains unchanged
- ddecreases by 4
Original Khojo Papers practice question — not from a past board paper.
Answer
remains unchanged
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A beta particle is an electron emitted when a neutron changes into a proton. The atomic number increases by one but the mass number is unchanged.
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