What is the cause of blue colour of the sky?
(a) Absorption of particular type of radiation by atmosphere
(b) Reflection of blue light by earth
(c) Absorption of blue light by atmosphere gasses
(d) None of the above
(a) Absorption of particular type of radiation by atmosphere
(b) Reflection of blue light by earth
(c) Absorption of blue light by atmosphere gasses
(d) None of the above