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4.3 Hazards and uses of radioactive emissions and of background radiation

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Question 4
F

Some tumours are treated by placing a small radioactive implant inside the tumour. The implant emits beta radiation.

a.

Give one property of beta radiation that makes it suitable for an implant placed inside a tumour.

[1]
b.

Explain why this property is an advantage for the patient.

[2]
c.

Suggest one reason why an implant emitting alpha radiation is not used to treat a tumour that is 2 cm across.

[1]
d.

The implant used has a half-life of 74 days. Explain why an implant with a half-life of 74 years would not be used.

[2]
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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