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Physics (AS & A Level) · May / June 2020 · Paper 12 · Question 26

9702Electromagnetic spectrum

The table shows the wavelengths of five electromagnetic waves. Which row correctly identifies the principal radiation for each of these wavelengths?

  1. Agamma-ray, X-ray, infrared, microwave, radio wave
  2. Bradio wave, microwave, infrared, X-ray, gamma-ray
  3. Cradio wave, microwave, ultraviolet, infrared, X-ray
  4. DX-ray, infrared, ultraviolet, microwave, radio wave

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Correct answer: A. gamma-ray, X-ray, infrared, microwave, radio wave

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