(a) Explain why colour of clear sky appears blue during the day with the help of diagram. (b) Explain why…
(a) Explain why colour of clear sky appears blue during the day with the help of diagram.
(b) Explain why Sun looks reddish at the time of sunrise and sunset.
Solution
(a) Due to scattering of blue colours by the dust particles present in the atmosphere.
(b) During the Sunrise or Sunset, Sun is at the horizon, and sunlight travels a longer distance in the atmosphere. Due to this all colours get scattered except red which reaches to the eye of the observer to whom sun appears reddish in the morning or evening.
