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Fission and fusion

Fission and fusion

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Question 4

In a commercial nuclear power station, nuclear fission reactions release energy inside a reactor vessel.

a.

State the main function of each of the following components in a nuclear reactor: (i) Shielding (ii) Coolant

[2]
b.

State the primary format of energy possessed by the fission fragments immediately after they are split in a fission reaction.

[1]
c.

Explain why a moderator is required in a fission reactor.

[3]
d.

Explain how control rods are adjusted to maintain a constant, controlled chain reaction. Refer to neutrons in your answer.

[3]
Markscheme

Fission and fusion Questions

  1. IGCSE
  2. /Physics
  3. /Fission and fusion

22 exam-style questions on Edexcel IGCSE Physics Fission and fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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