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Question

If earth had no atmosphere, then colour of the sky would appear to be?

A
Red
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B
Blue
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C
Yellow
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D
Black
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Solution

  1. In the absence of an atmosphere, there will be no scattering of sunlight and hence, the sky will appear black.
  2. It is because of the atmosphere the light refracts and reflects and the blue light reaches our eye hence the sky appears to be blue.​

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