Which row correctly states a harmful effect and a beneficial application of ionizing radiation?
| Harmful effect | Beneficial application | |
|---|---|---|
| A | kills cancer cells | causes gene mutation in healthy cells |
| B | causes gene mutation in healthy cells | kills cancer cells |
| C | causes gene mutation in healthy cells | causes gene mutation in healthy cells |
| D | kills cancer cells | kills cancer cells |
Row A
Row B
Row C
Row D
484 exam-style questions on CIE IGCSE Physics 5.2 Radioactivity, covering 5.2.1 Background radiation and measuring count rate, 5.2.2a Alpha, beta and gamma emission, 5.2.2b Deflection and ionising effects of nuclear radiation, 5.2.3a Radioactive decay, 5.2.3b Effects of decay on the nucleus and decay equations, 5.2.4a Half-life, 5.2.4b Choosing isotopes for applications, and 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.