Question

a pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water will the pencil be bent to the same extenet if instead of water we use liquids like , kerosine and turpentine . give reason
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Answer 1

Answer:

A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water due to phenomenon of refraction of light. As we know, different materials have different refractive index. ... Hence, pencil will appear to be bent more or less depending on the refractive index of the medium.