NDA_GAT_Mock_Test_01_Q1

Question:

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

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

Options:

  • a) The blue colour is scattered more compared to the red colour.
  • b) The red colour is scattered more compared to the blue colour.
  • c) Both the blue and the red colours are scattered equally.
  • d) The blue colour is not scattered but the red colour is scattered the most.
  • a) The blue colour is scattered more compared to the red colour.
  • b) The red colour is scattered more compared to the blue colour.
  • c) Both the blue and the red colours are scattered equally.
  • d) The blue colour is not scattered but the red colour is scattered the most.

correct answer : a)

Explanation:

As wavelength of blue colour is the shortest, it scatters the most, while red colour scatters least. This is due to Rayleigh scattering.

As wavelength of blue colour is the shortest, it scatters the most, while red colour scatters least. This is due to Rayleigh scattering.

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