The blue colour of sky is due to:
(a) refraction of light
(b) dispersion of light
(c) diffraction of light
(d) scattering of light

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Solution

(d) scattering of light

The blue colour of the sky is due to the scattering of light by the air molecules in the atmosphere.

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Similar questions

Q. Match the following :

LIST I	LIST II
A) Rainbow	1) Scattering of light
B) Twinkling of stars	2) Dispersion of light
C) Blue colour of sky	3) Fluctuation of the refraction index in atmosphere layers
D) Advancement of sunrise and delay of sunset	4) Refraction of light

Q. Assertion :Blue colour of sky appears due to scattering of light. Reason: Blue colour has shortest wavelength among all colours of white light.

Question 6
Twinkling of stars is due to atmospheric

(a) dispersion of light by water droplets
(b) refraction of light by different layers of varying refractive indices
(c) scattering of light by dust particles
(d) internal reflection of light by clouds

Q. The twinkling of stars is due to atmospheric :
(a) reflection of light (b) dispersion of light
(c) interference of light (d) refraction of light

Q. Question 7
The clear sky appears blue because

(a) blue light gets absorbed in the atmosphere
(b) ultraviolet radiations are absorbed in the atmosphere
(c) violet and blue lights get scattered more than lights of all other
colours by the atmosphere
(d) light of all other colours is scattered more than the violet and
blue colour lights by the atmosphere

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The blue colour of sky is due to: (a) refraction of light (b) dispersion of light (c) diffraction of light (d) scattering of light

(d) scattering of light The blue colour of the sky is due to the scattering of light by the air molecules in the atmosphere.

The blue colour of sky is due to:
(a) refraction of light
(b) dispersion of light
(c) diffraction of light
(d) scattering of light

(d) scattering of light

The blue colour of the sky is due to the scattering of light by the air molecules in the atmosphere.