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Question
When a drop of oil is spread on a water surface, it displays beautiful colours in daylight because of ______________ .
Options
disperson of light
reflection of light
polarization of light
interference of light
MCQ
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Solution
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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