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Find the wavelength

  1. Nov 20, 2007 #1
    I'm trying to determine the wavelength of a particular situation. I'm given the refractive index of the metal and the value of the plasma frequency, and I'm asked to find the wavelength (or frequency) of a particular ray in this situation. Unfortunately, I'm not terribly able to even begin answering this question. Help?
  2. jcsd
  3. Nov 21, 2007 #2


    Staff: Mentor

    Wavelength times frequency gives you the wave propagation velocity. You have frequency, is there any way to determine the wave propagation velocity from the given information?
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