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Light Reflection and Refraction
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03/12/2020 12:48 pm
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A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appears to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.
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03/12/2020 12:49 pm
No, it will depend on the refractive index of the liquid in which the pencil is dipped. The tip at the bottom will get elevated as per the relation.
Refractive index(n) = real depth/apparent depth