B

Brijesh Goswami • 9.45K Points
Tutor III Physics 

Q. When an aeroplane is flying at a great height, the sky appears black to its passengers. Why ?

  • (A) The dust particles and droplets of water present in the atmosphere absorb the light and do not allow it to reach the eyes of the passengers
  • (B) The atmosphere is very rare at great heights and so the scattering of light is negligible
  • (C) The light is so polarized that no part of it is able to reach the eye of the passengers
  • (D) None of the above
Correct Answer - Option(B)

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