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5.2.5 Effects of ionising radiation and safety precautions

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Question 21

A teacher conducts an experiment to measure radiation passing through a sheet of material.

Three students suggest ways the teacher can reduce her exposure to radiation:

  • Student 1: Point the radioactive source towards herself to inspect it closely.
  • Student 2: Use long-handled tongs to move the radioactive source.
  • Student 3: Limit the time the radioactive source is out of its lead-lined storage container.

Which students are correct?

A

1 and 2 only

B

2 and 3 only

C

3 only

D

1, 2 and 3

Markscheme

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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