What happens when the sunlight travels through the Earth's atmosphere ?

  1. A. The blue colour is scattered more compared to the red colour
  2. B. The red colour is scattered more compared to the blue colour
  3. C. Both the blue and the red colours are scattered equally
  4. D. The blue colour is not scattered but the red colour is scattered the most

Correct Answer: A. The blue colour is scattered more compared to the red colour

Explanation

According to Rayleigh scattering, shorter wavelengths of light (like blue) are scattered more efficiently by gas molecules in the atmosphere than longer wavelengths (like red).

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