The Refractive Index of Water

  • #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].
 
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  • #2
Andrew Mason
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willydavidjr said:
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].
I suggest that you look up Snell's law.

AM
 

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