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प्रश्न
What colour does the sky appear to an astronaut?
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उत्तर
The sky appears black to an astronaut because there is no atmosphere in space to scatter the light from the sun.
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.
Name some everyday objects:
which absorb all the colours in sunlight
Why does the sky appear dark (or black) to an astronaut instead of blue?
Which component of sunlight is scattered away when the sun appears red at sunrise or sunset?
Complete the following statement:
When the sun is setting, the light from it has to travel a ................ thickness of the earth's atmosphere and only ................ wavelength ................ light is able to reach us. Sunset is therefore ................
When sunlight enters the earth’s atmosphere, state which colour of light is scattered
- the most and
- which the least.
Explain in brief the reason for the following :
Delayed sunset
Name the point on the lens through which a ray of light passes undeviated.
In the atmosphere which colour of light gets scattered the least?
Why is the colour of the clear sky blue?
