In a reactor, some neutrons released by fission are absorbed before they reach another nucleus. What effect does this have?
It increases the number of fissions happening each second
It stops the number of fissions each second from increasing
It stops any energy at all being released by the fission fuel
It changes the fission reaction taking place into a fusion one
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.