Edexcel GCSE Physics (1PH0) · EDEXCEL 1PH0
6 Radioactivity
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Radioactivity
- Explain why a radioactive isotope with a long half-life is chosen for use in a smoke alarm… (4 marks, Explain)
- A worker at a nuclear facility wears a photographic film badge at all times during their s… (4 marks, Explain)
- A hospital uses a radioactive tracer to investigate a patient's internal organs. The trace… (4 marks, Explain)
- Explain why alpha radiation is used in smoke alarms rather than beta or gamma radiation. (4 marks, Explain)
- Explain why gamma radiation is used to sterilise medical equipment rather than alpha or be… (4 marks, Explain)