Immediately after fission, the two nuclei produced move away at high speed. Which statement explains why?
The gamma rays emitted push the two nuclei apart as they leave
Energy released by the fission fills their kinetic energy stores
The neutron absorbed before fission pushes the two nuclei apart
The two nuclei are attracted to the walls of the container
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.