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Can group velocity be greater than phase velocity?

  1. Apr 6, 2015 #1
    Is it possible for a group velocity of any wave disturbance to be greater than its component phase velocities?
     
  2. jcsd
  3. Apr 6, 2015 #2
    Yes, sure.

    Go to the actual youtube page to see various cases.
     
  4. Apr 6, 2015 #3
    Thank you for the you tube clip.
     
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