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6.5 Uses and dangers of radioactivity

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Question 24

A laboratory technician is working with a sample of polonium-210, which is a strong alpha emitter.

Explain why accidentally ingesting a small amount of this substance poses a severe biological hazard to the technician, whereas holding the sealed vial containing the substance with bare hands poses virtually no danger.

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6.5 Uses and dangers of radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6.5 Uses and dangers of radioactivity

94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity, covering 6.5.1 Uses of radioactivity, 6.5.2 Dangers of ionising radiation and precautions, 6.5.3 Half-life and radiation dangers, 6.5.4 Safety precautions for radiation exposure, and 6.5.5 Contamination and irradiation. Each one has a worked solution and a mark scheme showing where the marks go.

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