A thick sheet of plastic, n = 1.500, is used as the side of an aquarium tank. Light reflected from a fish in the water has an angle of incidence of 35 degrees. At what angle does the light enter the air??A thick sheet of plastic, n = 1.500, is used..?
okay use Smelt's Law:
(n1) * (Sin @1) = (n2) * (Sin @2)
1.5 * Sin 35 = 1 * Sin x
0.86 = Sin x
x = 59.36掳
hope this helps^_^
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