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Physics (AS & A Level) · May / June 2016 · Paper 12 · Question 40

9702Atoms, nuclei and radiation

Which equation represents β+ decay?

  1. Aneutron → proton + positron + antineutrino
  2. Bneutron → proton + positron + neutrino
  3. Cproton → neutron + positron + antineutrino
  4. Dproton → neutron + positron + neutrino

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Correct answer: D. proton → neutron + positron + neutrino

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