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Radioactivity (A-level only)

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Question 64
a.

One purpose of the moderator in a thermal nuclear reactor is to slow down fast-moving neutrons. State why slowing down these neutrons is necessary.

[1]
b.

State two properties that engineers consider when choosing a material to use as control rods in a thermal nuclear reactor.

[2]
c.

Explain how the power output of a thermal nuclear reactor is increased.

[3]
Markscheme

Radioactivity (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Radioactivity (A-level only)

128 exam-style questions on AQA A Level Physics Radioactivity (A-level only), covering Rutherford scattering (A-level only), $\alpha$ , $\beta$ and $\gamma$ radiation (A-level only), Radioactive decay (A-level only), Nuclear instability (A-level only), Nuclear radius (A-level only), Mass and energy (A-level only), Induced fission (A-level only), and Safety aspects (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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