Question

Blue colour of sea water is due to -



arefraction of sunlight

Answer 1

"The ocean looks blue because red, orange and yellow (long wavelength light) are absorbed more strongly by water than is blue (short wavelength light). So when white light from the sun enters the ocean, it is mostly the blue that gets returned. Same reason the sky is blue."

Answer 2

Blue colour of sea water is due to Refraction of sky