When a drop of oil is spread on a water surface, it displays beautiful colours in daylight because of ______________ .

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KollegeApply · Accepted Answer

interference of light Interference effect is produced by a thin film ( coating of a thin layer of a translucent material on a medium of different refractive index which allows light to pass through it))In the present case, oil floating on water forms a thin film on the surface of water, leading to the display of beautiful colours in daylight because of the interference of sunlight.

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