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Physics · May / June 2023 · Paper 11 · Question 38

5054Half-life

A sample of tritium has a mass of 32 mg. Tritium has a half-life of 12 years. How much of the sample of tritium decays in 36 years?

  1. A4.0 mg
  2. B8.0 mg
  3. C24 mg
  4. D28 mg

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Correct answer: D. 28 mg

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