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6.5 Uses and dangers of radioactivity

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Question 10
F

A beta thickness gauge records a count rate above its target value. The source activity and detector position have not changed. Moving the rollers closer together makes the sheet thinner. Which action should the control system take?

[1]
A

Move the rollers together because the sheet is too thick.

B

Move the rollers apart because the sheet is too thin.

C

Move the rollers together because the sheet is too thin.

D

Move the rollers apart because the sheet is too thick.

Markscheme

6.5 Uses and dangers of radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6.5 Uses and dangers of radioactivity

97 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity, covering 6.5.1 Uses of radioactivity, 6.5.2 Dangers of ionising radiation and precautions, 6.5.3 Half-life and radiation dangers, 6.5.4 Safety precautions for radiation exposure, and 6.5.5 Contamination and irradiation. Each one has a worked solution and a mark scheme showing where the marks go.

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