Radioactive sources must be handled with care in school or scientific laboratories to reduce the risk of exposure to ionizing radiation.
Which of the following is not a recommended safety procedure?
Storing radioactive sources in a lead-lined container when not in use.
Handling radioactive sources with bare hands to ensure a firm grip.
Pointing the active side of the source away from people at all times.
Wearing a film badge (dosimeter) to monitor cumulative radiation exposure.
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.