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4.3 Hazards and uses of radioactive emissions and of background radiation

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Question 6
F

A laboratory stores two radioactive sources. Source J has a half-life of 3 minutes. Source K has a half-life of 24 000 years. Which statement is correct?

[1]
A

J must be stored safely for longer, because its activity is lower at the start

B

K must be stored safely for longer, because its activity falls very slowly

C

J must be stored safely for longer, because its activity falls very slowly

D

K must be stored safely for longer, because its activity is lower at the start

Markscheme

4.3 Hazards and uses of radioactive emissions and of background radiation Questions

  1. GCSE
  2. /Physics
  3. /4.3 Hazards and uses of radioactive emissions and of background radiation

40 exam-style questions on AQA GCSE Physics 4.3 Hazards and uses of radioactive emissions and of background radiation, covering 4.3.1 Background radiation, 4.3.2 Different half-lives of radioactive isotopes, and 4.3.3 Uses of nuclear radiation. Each one has a worked solution and a mark scheme showing where the marks go.

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