Physics 5054 · O Level · Electromagnetic spectrum

Electromagnetic spectrum — practice question

Which statement regarding infrared radiation is correct?

  • AIn a vacuum, infrared radiation travels at the speed of light.
  • BInfrared radiation is a longitudinal wave.
  • CInfrared radiation has a higher frequency than ultraviolet radiation.
  • DWhite surfaces are better emitters of infrared radiation than black surfaces.

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