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प्रश्न
To an astronaut in a space-ship, the earth appears ______.
पर्याय
White
Red
Blue
black
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उत्तर
To an astronaut in a space-ship, the earth appears blue.
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संबंधित प्रश्न
What is meant by scattering of light? Use this phenomenon to explain why the clear sky appears blue or the Sun appears reddish at sunrise.
Why does the sun seem to rise two minutes before the actual sunrise and set two minutes after the actual sunset ? Explain with the help of labelled diagram.
Which light has the longer wavelength : red light or blue light?
What is the colour of the sunlight scattered by the air molecules in the atmosphere?
Which effect is illustrated by the observation that when a beam of sunlight enters a dusty room, then its path becomes visible to us.
What happens when a beam of sunlight enters a dusty room through a window? Explain your answer.
The colour of sky, in direction other than of the sun, is blue. Explain.
In white light of sun, maximum scattering by the air molecular present in the earth’s atmosphere is for ______.
State the difference in colours of the sun observed during sunrise/sunset and noon. Give explanation for each.
Which phenomenon is responsible for making the path of light visible?
