Physics · Optics
The blue appearance of the clear sky during daytime is primarily caused by which phenomenon?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The scattering of sunlight by air molecules✓
- 2The selective presence of dense water vapor
- 3The absorption of blue light components by the air
- 4The spontaneous emission of blue light by the upper atmosphere
Correct answer
The scattering of sunlight by air molecules
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