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6.2 Uses and hazards

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Question 4
F

The Figure shows the start of a chain reaction in uranium-235. Figure image

a.

How many neutrons are released by each fission in the Figure?

[1]
b.

Explain how the Figure shows a chain reaction.

[2]
c.

Every neutron released goes on to cause another fission. The first fission is stage 1. The three fissions it causes are stage 2. Calculate the number of fissions in stage 3.

[1]
d.

The energy released by each fission is transferred to other particles. Name one way the energy is carried away from the fission.

[1]
Markscheme

6.2 Uses and hazards Questions

  1. GCSE
  2. /Physics
  3. /6.2 Uses and hazards

48 exam-style questions on OCR GCSE Physics 6.2 Uses and hazards, covering 6.2.1 Contamination and irradiation, 6.2.2 Half-life and radiation hazards, 6.2.3 Medical uses of nuclear radiation, 6.2.4 Nuclear fission and chain reactions, and 6.2.5 Nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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