How does the penetrating power of γ\gammaγ-rays compare with that of α\alphaα-particles and β\betaβ-particles?
γ\gammaγ-rays are less penetrating than α\alphaα-particles, and less penetrating than β\betaβ-particles
γ\gammaγ-rays are less penetrating than α\alphaα-particles, and more penetrating than β\betaβ-particles
γ\gammaγ-rays are more penetrating than α\alphaα-particles, and less penetrating than β\betaβ-particles
γ\gammaγ-rays are more penetrating than α\alphaα-particles, and more penetrating than β\betaβ-particles
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.