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Physics (AS & A Level) · Oct / Nov 2024 · Paper 13 · Question 38

9702Atoms, nuclei and radiation

What is the rest mass of a beta-particle?

  1. A0
  2. B9.11 × 10⁻³¹ kg
  3. C1.66 × 10⁻²⁷ kg
  4. D1.67 × 10⁻²⁷ kg

As printed in the paper

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Correct answer: B. 9.11 × 10⁻³¹ kg

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