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A pencil when dipped in water in a glass...

A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.

Text Solution

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No. Refraction is associated with the bending of a light ray when it moves from one transparent medium to another. Since the velocity of the light ray depends on the medium through which it travels, refraction can also be associated with the speed of light in a given pair of media. This value is different for different pair of media.
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