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Instructor II Physics

Q. In the absence of the earth's atmosphere, sky would appear

(A) Blue
(B) Deep red
(C) White
(D) Black

Correct Answer - Option(D)
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Explanation by: Team MCQ Buddy

Without an atmosphere the sky appears black, as evidenced by the lunar sky in pictures taken from the moon. But even a black sky has some lightness. At night, the sky always has a faint color, called "skyglow" by astronomers.

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Q. In the absence of the earth's atmosphere, sky would appear

Explanation by: Team MCQ Buddy

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