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5.2 Radioactivity

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Question 157

Which is the most effective precaution to reduce the radiation dose to a person when handling a radioactive source that emits β\betaβ-particles?

A

Handle the source using long tongs.

B

Maintain the source at a very low temperature.

C

Store the source in a standard cardboard box during the experiment.

D

Wear a thin cotton laboratory coat as the primary shield.

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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