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4.2 Atoms and nuclear radiation

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Question 9
F

A Geiger-Muller tube is connected to a counter and placed near a source. What does the count rate tell you?

[1]
A

The number of unstable nuclei left in the source at that time

B

The number of decays each second in the whole of the source

C

The energy transferred by the source to the air each second

D

The number of decays recorded each second by the detector

Markscheme

4.2 Atoms and nuclear radiation Questions

  1. GCSE
  2. /Physics
  3. /4.2 Atoms and nuclear radiation

40 exam-style questions on AQA GCSE Physics 4.2 Atoms and nuclear radiation, covering 4.2.1 Radioactive decay and nuclear radiation, 4.2.2 Nuclear equations, 4.2.3 Half-lives and the random nature of radioactive decay, and 4.2.4 Radioactive contamination. Each one has a worked solution and a mark scheme showing where the marks go.

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