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#1
07-31-2009, 03:16 PM
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 total internal reflection - snell's law? light from air strikes a translucent plastic material. if the light strikes at an angle of 30 degrees to the material and bends by 15 degrees, what is the index of refraction of the plastic. i obtained an answer of n=1.932, but the book gave an answer of n=1.22, what am i doing wrong? please help and explain in detail. thanks in advance!  |
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| internal , law , reflection , snell , total |
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