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Index of refraction?

  1. May 31, 2005 #1
    my brain is fried...and I need help again.

    How do I find the index of refraction again??
  2. jcsd
  3. May 31, 2005 #2


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    [tex] n = \frac{c}{v} [/tex]

    where c is speed of light in vacuum, and v is speed in medium
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