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    Critical Angle and Refraction

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    The critical angle for a piece of quartz is 37.3 degrees when the quartz is in air. If the piece of quartz is instead immersed in a transparent liquid with index of refraction n = 1.31, what is the angle of refraction in the liquid for a light ray incident at 21 degrees?

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    https://brainmass.com/physics/light-refraction/critical-angle-refraction-313104

    Solution Preview

    Critical angle of quartz = C = 37.3 degrees

    Refractive index of quartz relative to air = 1/sin C = ...

    Solution Summary

    This solution provides steps to determine the angle of refraction in the liquid for a light ray incident at 21 degrees.

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