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Physics (AS & A Level) · Oct / Nov 2022 · Paper 12 · Question 25

9702Electromagnetic spectrum

Two electromagnetic waves have wavelengths of 5.0 × 10–7 m and 5.0 × 10–2 m in a vacuum. Which row identifies the regions of the electromagnetic spectrum to which the waves belong?

  1. Aultraviolet | infrared
  2. Bvisible | microwave
  3. Cultraviolet | microwave
  4. Dvisible | infrared

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Correct answer: B. visible | microwave

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