Study

Light and the electromagnetic spectrum

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  • This wavelength has the shortest wavelength and greatest frequency.
    gamma
  • List the waves in order of decreasing wavelength.
    radio, micro, infrared, visibke, ultraviolet, s-ray, gamma
  • How much of the electromagnetic spectrum can humans see?
    a small amount
  • This wavelength causes sunburn.
    ultraviolet
  • The electromagnetic spectrum is organized by decreasing __________
    wavelength.
  • This wavelength cooks food.
    microwaves
  • List the colors of the visible spectrum.
    red, orange, yellow, green, blue, indigo, violet
  • This wavelength allows doctors see broken bones.
    x-ray
  • Waves with higher frequency have _________ wavelength.
    smaller
  • Wavelength is measured from the crest to the __________
    crest.
  • This wavelength is used mainly for communications.
    radio
  • True or false: Light waves travel in a straight line
    True
  • This wavelength keeps food hot.
    infrared
  • The higher the amplitude, the ___________ the light.
    brighter
  • Waves with a longer wavelength have __________ frequency.
    lower