Which statement correctly compares the properties of beta-particles and gamma-rays?
Beta-particles are less penetrating than gamma-rays because beta-particles are more ionising.
Beta-particles are less penetrating than gamma-rays because beta-particles are less ionising.
Beta-particles are more penetrating than gamma-rays because beta-particles are more ionising.
Beta-particles are more penetrating than gamma-rays because beta-particles are less ionising.
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.