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Physics · Oct / Nov 2023 · Paper 12 · Question 30

5054Electromagnetic spectrum

Ultraviolet radiation is a component of the electromagnetic spectrum. Which application uses ultraviolet radiation?

  1. ABluetooth technology
  2. Bprenatal scanning
  3. Csterilising water
  4. Dthermal imaging

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Correct answer: C. sterilising water

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