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Physics (AS & A Level) · May / June 2019 · Paper 11 · Question 40

9702Fundamental particles

Some particles are a combination of three quarks. Which combination of quarks would not result in a particle with a charge of either +1.6 × 10–19 C or zero?

  1. Aup, down, down
  2. Bup, strange, strange
  3. Cup, up, down
  4. Dup, up, up

As printed in the paper

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Correct answer: D. up, up, up

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