Name two effects produced by the atmosph...

Name two effects produced by the atmospheric refraction.

Text Solution

Verified by Experts

The correct Answer is:

Twinkling of stars ; Advance sunrise and delayed sunset

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Knowledge Check

Atmospheric refraction is due to

A

changing pressure in the atmosphere

B

varying density of atmosphere

C

varying temperature of the atmosphere

D

both (2) and (3)

On account of atmospheric refraction

A

sun appears 4 minutes before actual sunrise.

B

sun disappears 4 minutes before actual sunset.

C

sun is visible 2 minutes before actual sunrise.

D

sun becomes visible 2 minutes after actual sunrise.

Which of the following is not caused by the atmospheric refraction of light ?

A

Twinkling of stars at night

B

Sun appearing higher in the sky than it actually is

C

Sun becoming visible two minutes before actual sunrise

D

Sun appearing red at sunset

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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise

Where in nature can you find evidence that white sunlight may be made ...
01:39
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Name the phenomenon which causes the twinkling of stars.
01:12
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Name two effects produced by the atmospheric refraction.
02:43
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Which phenomenon makes us see the sun : (a) a few minutes before act...
01:55
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State whether the following statement is true or false : The planet ...
02:16
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Name the phenomenon due to which the stars seem higher in the sky than...
02:16
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Fill in the following blanks with suitable words : We can see the su...
05:05
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Why do stars seem higher than they actually are ? Illustrate your answ...
02:38
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Explain why, the sun can be seen about two minutes before actual sunri...
02:09
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Explain why, if we look at objects through the hot air over a fire, th...
02:57
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The twinkling of stars is due to atmospheric :
03:19
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The atmospheric refraction of light causes the twinkling of :
02:13
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The stars appear higher in the sky than they actually are, due to :
03:08
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As light from a far off star comes down towards the earth :
02:41
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We can see the sun before the actual sunrise by about :
02:52
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Due to atmospheric refraction of sunlight, the time from sunrise to su...
04:06
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The day is longer on the earth by about 4 minutes because :
03:55
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We know that light refracts (or bends) when it goes from one medium to...
02:14
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By how much time day would have been shorter if the earth had no atmos...
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Which of the two is scattered more easily : light of shorter wavelengt...
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