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When a Drop of Oil is Spread on a Water Surface, It Displays Beautiful Colours in Daylight Because of - Physics

MCQ
Fill in the Blanks

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

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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.

Concept: Interference
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APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 17 Light Waves
MCQ | Q 13 | Page 379
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