Which is the most effective precaution to reduce the radiation dose to a person when handling a radioactive source that emits β\betaβ-particles?
Handle the source using long tongs.
Maintain the source at a very low temperature.
Store the source in a standard cardboard box during the experiment.
Wear a thin cotton laboratory coat as the primary shield.
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.