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प्रश्न
The blue colour of sky is due to:
(a) refraction of light
(b) dispersion of light
(c) diffraction of light
(d) scattering of light
उत्तर
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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संबंधित प्रश्न
Why does sun appear red at sunrise and sunset?
Why does the sun appear reddish early in the morning? Will this phenomenon be observed by an observer on the moon? Justify your answer with a reason.
What colours lie on the two sides of the 'green colour' in the spectrum of white light?
What is the order of colours in a rainbow, from the outside to the inside?
Which phenomenon makes us see the sun:
a few minutes after actual sunset?
Name the phenomenon due to which the stars seem higher in the sky than they actually are.
We can see the sun before the actual sunrise by about:
(a) 5 minutes
(b) 2 minutes
(c) 2 hours
(d) 20 minutes
Why does the sky appear dark (or black) to an astronaut instead of blue?
Which colour of white light is scattered the least? Give reason.
Draw a labeled diagram to show
(i) the reddish appearance of the sun at the sunrise or the sunset and
(ii) white appearance of the sun at noon when it is overhead.
