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Physics (AS & A Level) · May / June 2023 · Paper 11 · Question 38

9702Atoms, nuclei and radiation

A proton has mass m_p and charge +e. What are the mass and charge of an antiproton?

  1. Amass: –m_p; charge: +e
  2. Bmass: –m_p; charge: –e
  3. Cmass: m_p; charge: +e
  4. Dmass: m_p; charge: –e

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Correct answer: D. mass: m_p; charge: –e

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