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You kneel beside a fish tank (containing alcohol for unknown reason) and surprisingly found a fish there. You see it by sunlight that reflects off the fish and refracts at the alcohol-air interface as shown in figure below. What is the angle of refraction (in degrees) if this transparent alcohol has index of refraction given by 1.38?

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Answer #1

Mg=1 60 300 M, = 1.38 Snells law Using My sin 30° = lz sino =) 1.38 = 42. sino sino = 0.69 =) O = sint (0.69) = [43.630] An

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