Solution: Students allow a narrow beam of laser light to
Chapter 35, Problem 78(choose chapter or problem)
Students allow a narrow beam of laser light to strike a water surface. They measure the angle of refraction for selected angles of incidence and record the data shown in the accompanying table. (a) Use the data to verify Snells law of refraction by plotting the sine of the angle of incidence versus the sine of the angle of refraction. (b) Explain what the shape of the graph demonstrates. (c) Use the resulting plot to deduce the index of refraction of water, explaining how you do so. Angle of Incidence Angle of Refraction (degrees) (degrees) 10.0 7.5 20.0 15.1 30.0 22.3 40.0 28.7 50.0 35.2 60.0 40.3 70.0 45.3 80.0 47.7
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