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Refraction of Light

  1. Jul 16, 2005 #1
    Red light travels from air into liquid at an angle of incidence of 39 degrees and an angle of reflection of 17 degrees. Calculate the wavelength of the red light in the liquid if it's wavelength in the air is 750nm. If someone coule tell me how to go about this question that would be very helpful, thanks.
  2. jcsd
  3. Jul 16, 2005 #2


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    I believe you use n1sin theta1 = n2sin theta2 to find out the index of refraction for the liquid and then use n = wavelength1/wavelength2

    Dang i need to learn how to use latex.
  4. Jul 17, 2005 #3
    Thanks for the equation, the answer I recieved was 349nm. I think that sounds about right.
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