we study that water is colourless but why does it look blue ?
Asked by nivi95 | 12th Aug, 2009, 09:20: AM
We understand here by "why does it look blue?" that "why oceans surface looks blue?"
It's partly reflection of the sky on the ocean surface. But the colour is due to scattering of blue/violet light by water molecules.
When light falls, water molecules preferentially scatter violet/blue light in all directions, same is true about particles in the atmosphere. They also scatter the violet light, hence the blue colour of the sky. Water molecules also scatter it hence the colour of ocean.
Answered by | 12th Aug, 2009, 02:40: PM
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