Question

What is the Reason behind water appearing Blue

Answer 1

Sunlight is made up of different colors that are rainbow colors: violet, indigo, blue, green, yellow, orange, red. When sunlight falls on water some part of it is reflected back and other enters the ocean. The light gets scattered after entering the ocean by ripples and other particles in it.

Oxygen present in the deep water bodies scatter blue light more as compared to less deep water bodies. This is one factor why ocean appears blue. Other reason is that when sunlight falls on water the part of light is reflected back which reflects color of the sky.