Students allow a narrow beam of laser light to strike a water surface. They arrange to measure the angle of refraction for selected angles of incidence and record the data shown in the accompanying table. Use the data to verify Snell€™s law of refraction by plotting the sine of the angle of Students allows a narrow beam of laser light to strike a water surface. They arrange to measure the angle of refraction for selected angles of incidence and record the data shown in the accompanying table. Use the data to verify Snell€™s law of refraction by plotting the sine of the angle of incidence versus the sine of the angle of refraction. Use the resulting plot to deduce the index of refraction of water.

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Angle of Incidence (degrees) Angle of Refraction (degrees) 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 7.5 15.1 22.3 28.7 35.2 40.3 45.3 47.7