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Refraction question

  1. Dec 1, 2004 #1
    Calculate the speed of light in

    a) Diamond (n = 2.42)
    use 3.00 x 10^8 m/s as the speed of light

    ...ok how do I do this????

    Snell's law only lets me find anles or refractive indicies...
  2. jcsd
  3. Dec 1, 2004 #2

    Doc Al

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    Staff: Mentor

    What's the definition of index of refraction?
  4. Dec 1, 2004 #3
    index of refraction is....

    defined by c (speed of light) over v (speed of light in the medium) lol sorry... I can do this question... I dont know why im having so much trouble with this optics unit...
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