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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 appear to be bent the same extent, if instead of water we use liquds like, kerosene or turpentine?
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in all liquids pencil seems to be bent
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A pencil dipped in water appears to be bent at the interface of air and water due to the refraction of light. The refraction of light occurs because the speed of light changes when light travels from one medium to another.
Therefore, the pencil will not appear to be bent to the same extent, when it is dipped in kerosene or turpentine.
☆This is because refractive index of kerosene or turpentine is different than the refractive index of water and hence speed of light will be different in kerosene than in water.
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