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Speed of light in a medium

  1. Apr 24, 2007 #1
    1.Find the speed of light in the following in m/s...

    (a) water (n = 1.33)

    (b) diamond (n = 2.42)

    (c) quartz (n = 1.54)

    i can't seem to get any of these right...
  2. jcsd
  3. Apr 24, 2007 #2


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    Homework Helper
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    Please show some work. Its the rules of the forum. We're not supposed to help you until you do.
  4. Apr 25, 2007 #3
  5. Apr 25, 2007 #4
    looking for a formula...

    ooops. sorry, didn't think about that. problem was, i wasn't even sure how to do it. didn't have a formula, and i couldn't find one. that was really what i was looking for... i'll try to be more specific next time.
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