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Physics (AS & A Level) · May / June 2022 · Paper 11 · Question 40

9702Fundamental particles

How many hadrons, baryons and mesons are there in a nucleus of $^{9}_{4}\text{Be}$?

  1. Ahadrons 9, baryons 4, mesons 5
  2. Bhadrons 9, baryons 5, mesons 4
  3. Chadrons 9, baryons 9, mesons 0
  4. Dhadrons 13, baryons 9, mesons 0

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Correct answer: C. hadrons 9, baryons 9, mesons 0

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