Physics 9702 · AS & A Level · Atoms, nuclei and radiation

Atoms, nuclei and radiation — practice question

Radioactive decay happens unpredictably. What does the term random mean?

  • AThe decay of a nucleus can be predicted.
  • BThe decay of a nucleus is unaffected by pressure.
  • CThe decay of a nucleus is unaffected by temperature.
  • DThe nucleus has a constant probability of decay per unit time.

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