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प्रश्न
Sunset is red because at that time the light coming from the sun has to travel:
विकल्प
lesser thickness of earth's atmosphere
greater thickness of earth's atmosphere
varying thickness of earth's atmosphere
along the horizon
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उत्तर
Greater thickness of the earth's atmosphere
Explanation:
The sun appears red at sunset because, at that time, the sun is near the horizon and, therefore, sunlight has to travel through a greater thickness of the earth's atmosphere.
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संबंधित प्रश्न
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.
With the help of a labelled diagram, explain why the sun appears reddish at the sun-rise and the sun-set.
Which colour of the spectrum has
longest wavelength,
We can see the sun before the actual sunrise by about:
(a) 5 minutes
(b) 2 minutes
(c) 2 hours
(d) 20 minutes
Which of the two is scattered more easily, light of shorter wavelengths or light of longer wavelengths?
State whether the following statements are true or false:
The scattering away of red light makes the sky appear blue during the day time.
Why does the sun appear red at sunset?
How would the sky appear when seen from the space (or moon)? Give reason for your answer.
Why is the Tyndall effect shown by colloidal particles?
Twinkling of stars is due to atmospheric
