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प्रश्न
What is atmospheric refraction? What causes atmospheric refraction?
उत्तर
The refraction of light caused by the earth's atmosphere is called atmospheric refraction. Atmospheric refraction is caused by the bending of light rays when they pass through the layers of the earth's atmosphere, which are of different optical densities.
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संबंधित प्रश्न
State whether the following statement is true or false:
The planets twinkle at night due to atmospheric refraction of light.
Why do stars seem higher than they actually are? Illustrate your answer with the help of a diagram.
The atmospheric refraction of light causes the twinkling of:
(a) planets only
(b) stars only
(c) planets and stars
(d) stars and satellites
As light from a far off star comes down towards the earth:
(a) it bends away from the normal
(b) it bends towards the normal
(c) it does not bend at all
(d) it is reflected back
A student claims that because of atmospheric refraction, the sun can be seen after it has set, and the day is, therefore, longer than if the earth had no atmosphere.
Do you think that the students conclusion is correct?
What causes the scattering of blue component of sunlight in the atmosphere?
The stars appear higher from horizon than they actually are. Explain why it is so.
The air layer of the atmosphere whose temperature is less than the hot layer behave as optically:
Refraction of light by the earth’s atmosphere due to variation in air density is called ____________.
How does refraction take place in the atmosphere? Why do stars twinkle but not the planets?
