Question

Why does a stich inserted in a bucket of water appear bent?​

Answer 1

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When stick is immersed partly in water then light coming from stick refracts at the surface of water due to change in density of medium. The part of stick above water is in same medium as your eyes are in, so light travels along straight line showing orignal shape of stick. The change in shape of stick is basically due to refraction of light at surface of water.

Answer 2

Answer:

The apparent bending of the stick is due to the refraction of light when it passes from water into air.

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