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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
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 light has the longer wavelength : red light or blue light?
Name some everyday objects:
which absorb all the colours in sunlight
Explain why, the sun can be seen about two minutes before actual sunrise. Draw a diagram to Illustrate your answer.
Explain why, if we look at objects through the hot air over a fire, the objects appear to be moving (or shaking) slightly.
Why does the sun appear red at sunset?
Which component of sunlight is scattered away when the sun appears red at sunrise or sunset?
When sunlight enters the earth’s atmosphere, state which colour of light is scattered
- the most and
- which the least.
Why does the sun appear red at sunrises and sunset?
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
