A light ray is traveling from air to water. The incident ray makes an angle of 48° with the normal to the surface. What is the angle of refraction? (Index of refraction, n = 1 for air and n = 1.33 for water) 2. The light ray propagating in a vacuum enters a second medium with an unknown index of refraction. If the angle of incidence is 53° and the angle of reflection is 29°, what is the index of refraction of the second medium? (Index of refraction for vacuum is n = 1

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