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5.2 Radioactivity

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Question 193

Why are alpha-particles deflected less than beta-particles when they pass through a magnetic field?

A

Alpha-particles have a much larger mass than beta-particles.

B

Alpha-particles have a smaller electric charge than beta-particles.

C

Alpha-particles travel at much higher speeds than beta-particles.

D

Alpha-particles have less ionizing power than beta-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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