Leaving Cert Ireland · Physics

Radioactivity

2 practice questions, each with the answer and an explanation.

Practise Radioactivity now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 2 questions

  1. A radioactive sample has a half-life of 6 days. Its mass of the radioactive nuclide is 320 g. How much remains after 18 days?
  2. A radioactive sample has a half-life of 3 days. Its mass of the radioactive nuclide is 160 g. How much remains after 9 days?

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