In the white light of Sun, maximum scattering by the air molecules present in the earth’s atmosphere is for —

1. red colour
2. yellow colour
3. green colour
4. blue colour

Violet light is scattered nearly …………… times more than the red light.

1. 4
2. 8
3. 16
4. 9

The red colour of the sun at sunrise and sunset is due to which of the following phenomenon ?

1. deviation
2. dispersion
3. both deviation and dispersion
4. scattering

The sky in a direction other than that of the sun appears …………… to an observer on the moon.

1. red
2. blue
3. orange
4. black