A ray of light of vacuum wavelength 550 nm traveling in air enters a slab of transparent material. The incoming ray makes an angle of 23.0degrees with the normal, and the refracted ray
makes an angle of 25.1degrees with the normal. Find the index of refraction of the trans-
parent material. (Assume that the index of refraction of air for light of wavelength 550 nm is 1.00.)
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