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| Q. |
The blue colour of water in the sea is due to – |
| A. | absorption of other colours except blue by water molecules |
| B. | scattering of blue light by water molecules |
| C. | reflection of blue light by impurities in sea water |
| D. | reflection of blue sky by sea water |
| Answer» A. absorption of other colours except blue by water molecules | |
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Explanation: Almost all sunlight that enters the ocean is absorbed, except very close to the coast. The red, yellow, and green wavelengths of sunlight are absorbed by water molecules in the ocean. The reason the ocean is blue is due to the absorption and scattering of light. The blue wavelengths of light are scattered, similar to the |
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