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Why does the sky appear blue? What will...

Why does the sky appear blue? What will it look like on moon?

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The blue colour of sky is due to scattering of sunlight. The size of atmospheric particles being comparable to the wavelength of blue colour, a apart of blue colour present in sunlight gets scattered in all directions. Due to this scattered blue colour, sky looks to be blue.
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Knowledge Check

  • The sky appears blue, because

    A
    Red light is absorbed
    B
    Blue light is scattered the most
    C
    It is a natural colour
    D
    Blue light is absorbed

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