Detection of radioactivity
5.2.1What the syllabus asks of you
- Know what is meant by background radiation
- Know the sources that make a significant contribution to background radiation including: (a) radon gas (in the air) (b) rocks and buildings (c) food and drink (d) cosmic rays
- Know that ionising nuclear radiation can be measured using a detector connected to a counter
- Use count rate measured in counts / s or 5 Use measurements of background radiation to counts / minute determine a corrected count rate
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Chapter 5: Detection of radioactivity
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Every question on Detection of radioactivity, untimed, marked as you go.
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1Oct / Nov 2025 · Paper 22 · Q35Show mark scheme →
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2Oct / Nov 2021 · Paper 21 · Q39Show mark scheme →
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