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| Q. |
The colour of the ocean appears to be blue because the sunlight falling on it is – |
| A. | reflected |
| B. | refracted |
| C. | diffracted |
| D. | scattered |
| Answer» D. scattered | |
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Explanation: 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 scattering of blue light in the sky but absorption is a much larger factor than scatteringfor the clear ocean water. In water, absorption is strong in the red and weak in the blue, thus red light is absorbed quickly in the ocean leaving blue. |
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