Physics path · GCSE Physics

Which radiation can monitor changing sheet thickness?

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Practice question

A factory monitors the thickness of aluminium sheet using a radioactive source on one side and a detector on the other. The detector count rate must change noticeably when the sheet thickness changes. Select alpha, beta or gamma radiation and explain why it is more suitable than both alternatives.

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Official curriculum

4.4.2.1 Radioactive decay and nuclear radiation

This challenge practises knowledge and exam skills from the official GCSE science curriculum. Use these sources to see the exact subject content and its wider Key Stage 4 context.

AQA specification 4.4.2.1 Radioactive decay and nuclear radiation GOV.UK Key Stage 4 science programme

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