A light ray travelling in air, strikes an air-glass surface at 42º with respect to the normal to the surface. The light ray consisting of two wavelengths. You observe in the glass two rays of red and violet color. a) What is the angle of reflection of the ray on the air-glass interface? b) If the index of refraction of the glass for the violet wavelength is 1.41, what is the angle of refraction of the violet light in the glass? c) If the red light makes an angle of 29.2o with the normal in the glass, what is the index of refraction of the glass for the red light?

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