Physics · Optics
Why does the clear sky appear blue during the daytime?
- 1Light of all other colors is scattered significantly more than violet and blue color lights by the atmosphere.
- 2The shorter wavelength of blue light is scattered more than the other longer wavelengths in the spectrum by atmospheric particles.✓
- 3Ultraviolet radiations are absorbed and re-emitted as blue light.
- 4Blue light gets completely absorbed in the upper atmosphere.
Correct answer
The shorter wavelength of blue light is scattered more than the other longer wavelengths in the spectrum by atmospheric particles.
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