A-LevelPhysicsNuclear physics9702/12 · May/June 2024 · Q401 Mark
Which statement about radioactive decay is correct?
ANeutrinos are always emitted during α-decay.
BThe α-particles emitted from a radioactive sample have a continuous range of kinetic energies.
CThe β⁻ particles emitted from a radioactive sample have a continuous range of kinetic energies.
DThe proton number of a nucleus decreases by four when it undergoes α-decay.
✓ Correct answer
C: The β⁻ particles emitted from a radioactive sample have a continuous range of kinetic energies.
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