Q7 of 30 Page 86

The clear sky appears blue because

The clear sky is blue in color because blue light is scattered more than other colour of light by molecules of air.

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5

Which of the following phenomena of light are involved in the formation of a rainbow?

 6

Twinkling of stars is due to atmospheric

 8

Which of the following statements is correct regarding the propagation of light of different colours of white light in air?

 9

The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colors, the red light