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4.2 Atoms and nuclear radiation

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Question 4
F

A sealed source is placed in front of a detector. A sheet of paper between the source and the detector has no effect on the count rate. A 5 mm sheet of aluminium reduces the count rate to almost zero. Which radiation does the source emit?

[1]
A

Alpha only

B

Beta only

C

Gamma only

D

Alpha and gamma

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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