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5.2 Radioactivity

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Question 51

The emissions from a radioactive source pass through a thin sheet of cardboard but are completely stopped by a 5 mm thick sheet of aluminium.

Which type of radiation is emitted from the source, and how is this radiation affected by a uniform electric field?

A

β\betaβ-radiation; radiation deflected

B

β\betaβ-radiation; radiation not deflected

C

γ\gammaγ-radiation; radiation deflected

D

γ\gammaγ-radiation; radiation not deflected

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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