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5.2.5 Effects of ionising radiation and safety precautions

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Question 23

A laboratory technician is carrying out an experiment to measure the radiation emitted by a source.

Three safety proposals are made to reduce the technician's exposure to ionizing radiation:

  1. Handle the radioactive source using long-handled tongs.
  2. Stand as close as possible to the radioactive source during the experiment.
  3. Place a lead screen between the source and the technician.

Which of these proposals are correct ways to minimise safety risks?

A

1 and 2 only

B

1 and 3 only

C

2 and 3 only

D

1, 2 and 3

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5.2.5 Effects of ionising radiation and safety precautions Questions

  1. IGCSE
  2. /Physics
  3. /5.2.5 Effects of ionising radiation and safety precautions

42 exam-style questions on CIE IGCSE Physics 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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