Which person is most likely to receive a higher than average radiation dose because of their occupation?
A teacher who works in a classroom on the ground floor of a school
A gardener who works outdoors in a park for most of the day
A pilot who flies long-distance aircraft at high altitude
A driver who delivers parcels in a van on five days each week
40 exam-style questions on AQA GCSE Physics 4.3 Hazards and uses of radioactive emissions and of background radiation, covering 4.3.1 Background radiation, 4.3.2 Different half-lives of radioactive isotopes, and 4.3.3 Uses of nuclear radiation. Each one has a worked solution and a mark scheme showing where the marks go.