Gamma rays
2 marks · NormalCopy and complete the table for gamma rays.
| Type of radiation | Possible harm | Precautions |
|---|---|---|
| Gamma rays |
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Possible harm: cell damage/mutations/cancer. Precautions: use lead shielding, limit exposure, wear protective clothing.
Common mistakes: Just says 'harmful' or 'dangerous' with no detail; Does not include a valid precaution
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Marking points
B1 · 1 mark · Correctly describes a possible harm from gamma rays (cell damage/mutation/cancer).
B2 · 1 mark · States an appropriate precaution (e.g. use lead shielding, wear lead apron, limit time/exposure).
Worked solution
| Type of radiation | Possible harm | Precautions |
|---|---|---|
| Gamma rays | Cause cell damage or mutations (can lead to cancer) | Use lead shielding or protective clothing |