Physics 9702 · AS & A Level · Electromagnetic spectrum

Electromagnetic spectrum — practice question

What can be inferred from a table showing the wavelengths of waves in the electromagnetic spectrum?

  • AGreen light has a shorter wavelength than X-rays.
  • BRed light has a shorter wavelength than green light.
  • CThe wavelength range for radio waves is less than that for infra-red waves.
  • DThe wavelength range for X-rays is less than that for radio waves.

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