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Question about waves

  1. May 10, 2012 #1
    do light, sound, and radio waves move/vibrate in an up and down motion?
  2. jcsd
  3. May 10, 2012 #2


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    sound waves, no, they are compressions or decompressions, and their displacements are forward and backward

    light and radio waves, yes (but there's nothing to displace)

    you need to do extensive reading on this, to understand it … start with wikipedia :smile:
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