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| 1. |
Why do some clouds appear white while some appear grey ? |
| Answer» Solution :Clouds CONSIST of WATER droplets WHOSE size is same as that of wavelength of visible light. Hence, they scatter all the colours of INCIDENT sunlight equally and the cloud appears white. The bottom PORTION of thick clouds appears grey because most of the sunlight is absorbed by the upper portion of the cloud before reaching its bottom. However, these clouds appear white when viewed from the top. | |