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प्रश्न
How would the sky appear when seen from the space (or moon)? Give reason for your answer.
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उत्तर
On the moon, since there is no atmosphere, therefore there is no scattering of sun light incident on the moon surface. Hence to an observer on the surface of the moon (space), no light reaches the eye of the observer except the light directly from the sun. Thus the sky will have no colour and will appear black to an observer on the moon surface.
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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 appear reddish early in the morning? Will this phenomenon be observed by an observer on the moon? Justify your answer with a reason.
Give the meaning of the term VIBGYOR. With which phenomenon is it connected?
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
What is the colour of the sunlight scattered by the air molecules in the atmosphere?
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
At noon the sun appears white as:
Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?
Is the position of a star as seen by us its true position? Justify your answer.
