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5.2 Radioactivity

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Question 254

Which statement comparing β\betaβ-particles (specifically β−\beta^-β−) and γ\gammaγ-rays is correct?

A

β\betaβ-particles have a greater penetrating power than γ\gammaγ-rays.

B

β\betaβ-particles have a greater ionising power than γ\gammaγ-rays.

C

β\betaβ-particles have the same mass as γ\gammaγ-rays.

D

β\betaβ-particles are electromagnetic waves while γ\gammaγ-rays are charged particles.

Markscheme

5.2 Radioactivity Questions

  1. IGCSE
  2. /Physics
  3. /5.2 Radioactivity

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.

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