In the given figure, 'X' represents the actual position of a star while 'Y' represents its position which seems to be higher in the sky than it actually is
Which of these effects is demonstrated here?
A
Total internal reflection
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B
Looming
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C
Atmospheric refraction
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D
Dispersion
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Solution
The correct option is C Atmospheric refraction Light from distant stars when passes through atmospheric layers of various density, undergoes refraction leading to an illusion that the star is higher in the sky than it actually is