A nuclear reactor releases energy at a steady rate for many months. Which statement explains how this is possible?
Each uranium nucleus splits and then re-forms many times over
The gamma rays emitted are absorbed and cause further fissions
Fusion of the two nuclei produced releases the energy needed
A controlled chain reaction keeps the number of fissions steady
40 exam-style questions on AQA GCSE Physics 4.4 Nuclear fission and fusion, covering 4.4.1 Nuclear fission and 4.4.2 Nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.