5 (a) Fast neutrons are released during nuclear fission - Edexcel - GCSE Physics - Question 5 - 2014 - Paper 1
Question 5
5 (a) Fast neutrons are released during nuclear fission.
(i) Three different components of a nuclear fission reactor are shown. Three different materials used in a ... show full transcript
Worked Solution & Example Answer:5 (a) Fast neutrons are released during nuclear fission - Edexcel - GCSE Physics - Question 5 - 2014 - Paper 1
Step 1
Three different components of a nuclear fission reactor are shown. Draw one line from each component to the material it contains.
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Answer
Fuel: Uranium (releases neutrons)
Control Rod: Boron (absorbs neutrons)
Moderator: Graphite (slows neutrons)
Step 2
Suggest why a nuclear fusion reactor does not need anything to slow these neutrons down.
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Answer
Neutrons do not need to be captured by other nuclei in fusion reactions, as fusion does not rely on a chain reaction process.
