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6.2 Uses and hazards

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Question 9
F

Some radioactive waste from a nuclear power station contains an isotope with a half-life of thousands of years.

Why must this waste be stored safely for a very long time?

[1]
A

It will keep giving out radiation for a very long time

B

Its activity will increase as more of its nuclei decay

C

Its radiation will become more ionising as it gets older

D

Its half-life will get longer each time a nucleus decays

Markscheme

6.2 Uses and hazards Questions

  1. GCSE
  2. /Physics
  3. /6.2 Uses and hazards

48 exam-style questions on OCR GCSE Physics 6.2 Uses and hazards, covering 6.2.1 Contamination and irradiation, 6.2.2 Half-life and radiation hazards, 6.2.3 Medical uses of nuclear radiation, 6.2.4 Nuclear fission and chain reactions, and 6.2.5 Nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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