Radiation is used to treat cancerous tumours.
The source of the radiation can be positioned either inside or outside the human body.
Which of these has a radiation source (such as a radioactive isotope) that can be positioned inside the body to treat a tumour?
Beta radiation
X-rays
Radio waves
Ultraviolet radiation
90 exam-style questions on Edexcel GCSE Physics 6.3 Nuclear equations and decay. Each one has a worked solution and a mark scheme showing where the marks go.