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The Refractive Index of Water

  1. Apr 20, 2006 #1
    Let n denote the refractive index of water. What fraction of the speed of the light in air is the speed of underwater light? Let [tex]\theta[/tex] denote the critical angle for light going from water to air. Find the value of sin [tex]\theta[/tex].
    Last edited: Apr 20, 2006
  2. jcsd
  3. Apr 20, 2006 #2

    Andrew Mason

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    I suggest that you look up Snell's law.

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