Edexcel GCSE Physics · 1PH0
Specification 6.29 · Paper 1
Revise: Dangers of Ionising RadiationThree central precautions are time, distance and shielding.
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GCSE Physics · key term
Material placed between a radiation source and a person to reduce the radiation reaching the person.
Used by Edexcel
Specification 6.29 · Paper 1
Revise: Dangers of Ionising RadiationThree central precautions are time, distance and shielding.
When asked for precautions, explain how each one reduces exposure: spend less time near the source, increase distance, or place suitable shielding between the source and the person.
Do not claim that all protective clothing stops gamma radiation. The shielding must suit the radiation involved.
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