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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
Which color of white light is scattered the least and why?
What is meant by dispersion of white light? Describe the formation of rainbow in the sky with the help of a diagram.
What is the colour of the sunlight:
scattered by the dust particles in the atmosphere?
The blue colour of sky is due to:
(a) refraction of light
(b) dispersion of light
(c) diffraction of light
(d) scattering of light
Explain why, when the sun is overhead at noon, it appears white, but when the same sun is near the horizon at sunset, it appears red.
When sunlight enters the earth’s atmosphere, state which colour of light is scattered
- the most and
- which the least.
The danger signal is red. Why?
Describe an experiment to show that “sunlight is essential for photosynthesis”.
In the atmosphere which colour of light gets scattered the least?
How can we explain the reddish appearance of sun at sunrise or sunset? Why does it not appear red at noon?
