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Wave Definitions - Crest and Trough

  1. Aug 3, 2011 #1
    Hi,

    I have a test on the definitions of some terms. I was wondering whether the crest is the highest point in a wave or any point above the undisturbed position. And, also, whether the trough is the lowest point or any point under the undisturbed position.

    Thanks,
    Peter G.
     
  2. jcsd
  3. Aug 3, 2011 #2

    kuruman

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    Yes, the crest is the highest point and the trough is the lowest point. The amplitude is half the distance between crest and trough.
     
  4. Aug 3, 2011 #3
    Thanks for the quick response! Would you mind checking some of my other definitions?

    Rarefaction: an area of decrease in density and pressure
    Compression: an area of increase in density and pressure

    Wave speed: The speed at which a wave travels - the product of wavelength and frequency

    Wave intensity: A measure of energy flux averaged over a period of time - energy per unit area per unit time

    Thanks once again,
    Peter G.
     
  5. Aug 3, 2011 #4

    kuruman

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    Looks good.
     
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