MEDIUM
Earn 100

Explain the formation of mirage with a diagram.

Important Questions on Light

MEDIUM
Science>Physics>Light>Atmospheric Refraction
By how much time the day would have been shorter if the earth had no atmosphere?
EASY
Science>Physics>Light>Atmospheric Refraction
Explain why the sun can be seen about two minutes before the actual sunrise. Draw a diagram to illustrate your answer.
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Science>Physics>Light>Atmospheric Refraction
How does refraction take place in the atmosphere? Why do stars twinkle but not the planets?
EASY
Science>Physics>Light>Atmospheric Refraction
Why do stars twinkle on a clear night?
EASY
Science>Physics>Light>Atmospheric Refraction
The twinkling of stars is due to atmospheric:
EASY
Science>Physics>Light>Atmospheric Refraction
We can see the sun before the actual sunrise by about:
EASY
Science>Physics>Light>Atmospheric Refraction
The day is longer on the earth by about 4 minutes because:
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Science>Physics>Light>Atmospheric Refraction
Is the positions of a star as seen by us its true positions? Justify your answer.
EASY
Science>Physics>Light>Atmospheric Refraction
The atmospheric refraction of light causes the twinkling of:
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Science>Physics>Light>Atmospheric Refraction
Explain why the planets do not twinkle.
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Science>Physics>Light>Atmospheric Refraction
Due to atmospheric refraction of sunlight, the time from sunrise to sunset is lengthened by about:
MEDIUM
Science>Physics>Light>Atmospheric Refraction
Why do stars seem higher than they actually are? Illustrate your answer with the help of a diagram.
EASY
Science>Physics>Light>Atmospheric Refraction
The stars twinkle but the planets do not twinkle at night because:
EASY
Science>Physics>Light>Atmospheric Refraction
Explain why the planets do not twinkle at night.
MEDIUM
Science>Physics>Light>Atmospheric Refraction
We can see the sun for a few minutes even after it has actually set. Explain why?        
EASY
Science>Physics>Light>Atmospheric Refraction
The stars appear higher in the sky than they actually are, due to:
MEDIUM
Science>Physics>Light>Atmospheric Refraction
A star appears at the horizon. What is the true position of star? Explain with the help of a diagram.
MEDIUM
Science>Physics>Light>Atmospheric Refraction

What is atmospheric refraction? Use this phenomenon to explain the following natural events :

(i) Twinkling stars

Draw diagrams to illustrate your answer.

EASY
Science>Physics>Light>Atmospheric Refraction
Why do stars twinkle?
EASY
Science>Physics>Light>Atmospheric Refraction
Name two effects produced by the atmospheric refraction.