Sources X and Y have equal activity. X emits alpha particles only and Y emits gamma rays only. Which statement is correct?
X is more hazardous inside the body and Y is more hazardous outside it
Y is more hazardous inside the body and X is more hazardous outside it
X is more hazardous both inside the body and outside of the body
Y is more hazardous both inside the body and outside of the body
40 exam-style questions on AQA GCSE Physics 4.2 Atoms and nuclear radiation, covering 4.2.1 Radioactive decay and nuclear radiation, 4.2.2 Nuclear equations, 4.2.3 Half-lives and the random nature of radioactive decay, and 4.2.4 Radioactive contamination. Each one has a worked solution and a mark scheme showing where the marks go.