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Homework Help: Density of standing waves in a cavity

  1. Aug 6, 2005 #1
    Why is the density of standing waves in a cavity
    G(f)df=((8*pi*f^2)/(c^3))*df?
    Also that formula looks weird... doesn't look like it has anything to do with density...
     
  2. jcsd
  3. Aug 8, 2005 #2
    ??? can somebody please help?
     
  4. Aug 8, 2005 #3
    it relates to density afrer u change a bit in the formula itself.
     
  5. Aug 8, 2005 #4
    thats not true answer
     
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