Atomic StructureKey Facts

Industrial Uses — Summary

Part of Uses & Hazards of RadiationGCSE Physics

This key facts covers Industrial Uses — Summary within Uses & Hazards of Radiation for GCSE Physics. Revise Uses & Hazards of Radiation in Atomic Structure for GCSE Physics with 17 exam-style questions and 5 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 5 of 16 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 5 of 16

Practice

17 questions

Recall

5 flashcards

🏭 Industrial Uses — Summary

UseRadiationHow it works
Smoke detectorsAlphaAlpha ionises air; smoke absorbs alpha, current drops, alarm sounds
Paper thicknessBetaBeta partially absorbed by paper; detector measures how much passes through
Checking weldsGammaGamma passes through metal; cracks show up on detector
Sterilising foodGammaKills bacteria without heating; doesn't make food radioactive

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Read this section alongside the surrounding pages in Uses & Hazards of Radiation. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Uses & Hazards of Radiation

Which type of radiation is used in smoke detectors?

  • A. Gamma
  • B. Beta
  • C. X-rays
  • D. Alpha
1 markfoundation

Explain how a smoke detector uses an alpha source to detect smoke.

2 marksstandard

Quick Recall Flashcards

Most ionising?
Alpha
Beta stopped by?
Few mm aluminium

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