Physics (AS & A Level) · Oct / Nov 2024 · Paper 13 · Question 40
9702Atoms, nuclei and radiation
A magnesium nucleus ²³₁₂Mg decays by emitting two particles. The resulting nucleus is sodium ²³₁₁Na. Which two particles are emitted?
- Aα-particle, antineutrino
- Bβ⁺ particle, antineutrino
- Cβ⁻ particle, neutrino
- Dβ⁺ particle, neutrino
As printed in the paper
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Correct answer: D. β⁺ particle, neutrino
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