Home Physics Ray Optics Karnataka - CET Previous Year Question Blue colour of sea water is due to
Physics Ray Optics Karnataka - CET Previous Year Question MCQ (Single Correct)

Blue colour of sea water is due to

A
image of sky in water
B
refraction of sunlight
C
interference of sunlight reflected from the water surface
D
scattering of sunlight by the water molecules

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The correct answer is:
D

: According to the theory of scattering by Rayleigh, the scattered intensity . Blue having a short wavelength is scattered more intensely than red. Therefore when sunlight is scattered by the sea, it appears blue.

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