Which statement about nuclear fusion is correct?
It requires high temperatures to overcome the electrostatic repulsion between positively charged nuclei.
The mass of the product nucleus is equal to the sum of the masses of the reactant nuclei.
It is currently the main way in which domestic electricity is generated in nuclear power stations.
It involves the splitting of a heavy nucleus into lighter nuclei.
39 exam-style questions on OCR GCSE Physics Powering Earth. Each one has a worked solution and a mark scheme showing where the marks go.