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Physical significance of an equation of wave

  1. Jan 4, 2015 #1
    We can mathematically derive the equation of wave,
    [itex]\frac{\partial^2 y}{\partial t^2} = v^2 \frac{\partial^2 y}{\partial x^2}[/itex], where [itex]v[/itex] is the velocity of wave propagation.
    Can we prove this equation physically (not just taking derivatives of the equation of wave, but making physical meaning in every steps)?
  2. jcsd
  3. Jan 4, 2015 #2


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    Gold Member

    You can find a derivation here.
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