A medical technician regularly handles radioactive isotopes used for diagnostic imaging.
Explain why exposure to these radioactive isotopes can be hazardous to the technician's body.
Identify two practical precautions the technician should take to reduce their exposure to radiation when working with these sources.
42 exam-style questions on CIE IGCSE Physics 5.2.5 Effects of ionising radiation and safety precautions. Each one has a worked solution and a mark scheme showing where the marks go.