Which row in the table correctly describes the processes of nuclear fission and nuclear fusion?
| Nuclear Fission | Nuclear Fusion | |
|---|---|---|
| A | Two light nuclei join to form a heavier nucleus | A heavy unstable nucleus splits into lighter nuclei |
| B | A heavy unstable nucleus splits into lighter nuclei | Two light nuclei join to form a heavier nucleus |
| C | Helium is typically used as the primary fuel | Uranium is typically used as the primary fuel |
| D | Typically occurs at extremely high temperatures in stars | Primarily used in modern commercial power plants |
Row A
Row B
Row C
Row D
284 exam-style questions on CIE IGCSE Physics 5.1 The nuclear model of the atom, covering 5.1.1a Structure of the atom and ions, 5.1.1b Alpha-particle scattering, 5.1.2a Composition of the nucleus and isotopes, 5.1.2b Proton number, nucleon number and nuclide notation, and 5.1.2c Nuclear fission and nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.