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प्रश्न
The sky appears blue because some of the blue component of sunlight is scattered by:
(a) gas molecules present in air
(b) dust particles present in air
(c) water droplets suspended in air
(d) soot particles present in air
उत्तर
gas molecules present in air
The sky appears blue because some of the blue component of sunlight is scattered by the gas molecules (nitrogen and oxygen) present in the air.
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संबंधित प्रश्न
Explain giving reason why the sky appears blue to an observer from the surface of the earth? What will the colour of the sky be for an astronaut staying in the international space station orbiting the earth? Justify your answer giving reason.
Which colour of light has the shorter wavelength − red or violet?
Name the phenomenon due to which the stars seem higher in the sky than they actually are.
What is the colour of the sunlight:
scattered by the dust particles in the atmosphere?
Why does the sun appear red at sunrises and sunset?
In white light of sun, maximum scattering by the air molecular present in the earth’s atmosphere is for ______.
Explain in brief the reason for the following :
Advanced sunrise
A beam of blue, green, and yellow light passes through the earth's atmosphere. Name the colour which is scattered the least.
Which colour of white light is scattered the least? Give reason.
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
