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6 Radioactivity

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Question 140
F

A teacher uses a radioactive source in a science lesson.

a.

Give two precautions the teacher should take when handling the source.

[2]
b.

The teacher holds the source with long tongs.

Explain why this reduces the risk to the teacher.

[2]
c.

After the lesson, the source is stored in a box lined with lead.

Explain why.

[2]
d.

Ionising radiation can damage cells in the body.

Describe how ionising radiation can lead to cancer.

[2]
Markscheme

6 Radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6 Radioactivity

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