question_answer 21)

  At noon the sun appears white as (a) light is least scattered                                              (b)all the colours of the white light are scattered away                 (c) blue colour is scattered the most                       (d) red colour is scattered the most

Answer:

                  (A) At noon the sun appears white because the light from the sun is directly over head and travel relatively shorter distance. The sun appears white as only a little of the blue and violet colours are scattered.