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Phase of particles on a stationary wave

  1. May 18, 2010 #1
    Are the particles on either side of a node 180 out of phase?
    Let's say there's a stationary wave, and X and Y are two points on either side of a node, moving in opposite directions. Are X and Y 180 degrees out of phase with each other?

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. May 19, 2010 #2
    Yes particles within a node vibrate in one phase (only their amplitude is changing with x) and across a node the string inverts (a phase change of 180 degrees) so I should think yes.
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