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Physics (AS & A Level) · May / June 2018 · Paper 13 · Question 40

9702Fundamental particles

Which list contains only leptons?

  1. Aelectron, neutrino, positron
  2. Belectron, neutrino, proton
  3. Celectron, proton, neutron
  4. Dneutrino, neutron, positron

As printed in the paper

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Correct answer: A. electron, neutrino, positron

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