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 danger signal is red because its wavelength is the …………… and therefore it gets ………… the least.

1. least, deviated
2. longest, scattered
3. longest, dispersed
4. least, scattered

During the day the sky appears blue, while during sunset it appears reddish. Which reason correctly explain this phenomenon?

1. Blue light has higher wavelength, so it gets scattered more during the day.
2. Blue light has shorter wavelength, so it gets scattered more during the day.
3. Scattering depends only on the intensity and not on the wavelength of the light.
4. Red light has shorter wavelength, so it gets scattered more at sunset.