What causes the clear sky to appear blue in color?

Everyday Science Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Everyday Science Mcqseveryday-science-mcqs
Published
4 Aug 2024
Last updated
28 May 2026

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Explanation

The blue color of the sky is primarily due to the reflection of light. Other phenomena like refraction, diffraction, and dispersion involve bending, spreading, or separating light, which do not cause the sky's blue appearance.

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