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| Q. |
The sky appears blue because – |
| A. | All colours interfere to produce blue |
| B. | In white light, the blue component dominates |
| C. | The atmosphere scatters blue colour more than the others |
| D. | It is actually blue |
| Answer» C. The atmosphere scatters blue colour more than the others | |
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Explanation: Diffuse sky radiation is solar radiation reaching the Earth's surface after having been scattered from the direct solar beam by molecules in the atmosphere. Of the total light removed from the direct solar beam by scattering in the atmosphere (approximately 25% of the incident radiation when the sun is high in the Sky. |
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