Why sky is blue in color?


The sunlight that reaches the earth’s atmosphere is scattered in all directions by the gases and dust particles present in the atmosphere.

  • The blue colour is scattered more and hence the sky appears blue.
  • The reason for more scattering of blue colour is that the wavelength of the blue light is shorter than the other light.
  • So blue light is scattered in all directions by the tiny molecules of air in Earth’s atmosphere.
  • This is the reason sky appears blue.

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