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Question: Answered & Verified by Expert
Blue colour of sea water is due to
PhysicsElectromagnetic WavesCOMEDKCOMEDK 2018
Options:
  • A interference of sunlight reflected from the water surface
  • B scattering of sunlight by the water molecules
  • C image of sky in water
  • D refraction of sunlight
Solution:
1378 Upvotes Verified Answer
The correct answer is: scattering of sunlight by the water molecules
Blue colour of water in the sea is due to scattering of light by water molecules. As blue colour of light has smaller wavelength, therefore scattering of blue colour of light is exceptionally large.
Therefore, blue colour of sea water is due to scattering of sunlight by the water molecules.

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