Practise AQA GCSE Physics 4.3 Hazards and uses of radioactive emissions and of background radiation with exam-style questions for Foundation and Higher tier. 16 questions covering 4.3.1 Background radiation, 4.3.2 Different half-lives of radioactive isotopes, and 4.3.3 Uses of nuclear radiation, matched to the AQA GCSE Physics (8463) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.