Why sky colour appeaes blue
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Posted by Vikram Singh 4 years, 7 months ago
- 3 answers
Yogita Ingle 4 years, 7 months ago
The molecules of air and other fine particles in the atmosphere have smaller size than the wavelength of visible light. These are more effective in scattering light of shorter wavelengths at the blue end than light of longer wavelengths at the red end. The red light has a wavelength about 1.8 times greater than blue light. Thus, when sunlight passes through the atmosphere, the fine particles in air scatter the blue colour (shorter wavelengths) more strongly than red. The scattered blue light enters our eyes.
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Abhishek Sanap 4 years, 7 months ago
2Thank You