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Title: GCSE Physics 2.8 - Half-life
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A*.) This is one of nine topics in the unit.
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A*.) This is one of nine topics in the unit.
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Uses of radioactive materials
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smoke alarms using alpha radiation (long half-life; weak penetration so smoke can
break small current in the air)
measuring the thickness of paper using beta radiation (long half-life; medium
penetration)
external cancer treatment using gamma radiation (long half-life; strong penetration)
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Title: GCSE Physics 2.8 - Half-life
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A*.) This is one of nine topics in the unit.
Description: These are concise, exam-focused notes made using the WJEC specification and BBC Bitesize. (I achieved an A*.) This is one of nine topics in the unit.