A ray of light (GH) is incident on the glass-water interface DC at an angle i. It emerges in air along the water air interface EF (see figure). If the refractive index of water μw is 4/3, the refractive index of glass μs is
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A ray of light (GH) is incident on the glass-water interface DC at an angle i. It emerges in air along the water air interface EF (see figure). If the refractive index of water μw is 4/3, the refractive index of glass μs is