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Physics Fundamentals BLOG for K12

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refraction of light optical density from physicsteacher.in

Refraction of Light: how does it depend on Optical Density of mediums?

Refraction of light and Optical Density Refraction of light is a phenomenon where light bends while moving from one medium to another, right at the surface separating these two mediums. Because of this when a pencil is dipped in a glass of water, it seems to be bent just at the surface separating the water