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6.2 Uses and hazards

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Question 2
F

The Figure shows how a tumour deep inside a patient's head can be treated with gamma radiation. Figure image

a.

Explain why gamma radiation is used to treat this tumour, rather than alpha radiation.

[2]
b.

Explain why the gamma radiation is aimed at the tumour from several different directions instead of using one strong beam.

[2]
c.

A relative asks if it is safe to hug the patient after the treatment. State whether the patient is radioactive after the treatment. Give a reason for your answer.

[2]
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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