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Class 10 Science Medium Mcq English Medium

The apparent flattening of the Sun's disc observed at sunrise and sunset is due to

Question
The apparent flattening of the Sun's disc observed at sunrise and sunset is due to
the Sun physically changing shape
the same atmospheric refraction phenomenon responsible for advanced sunrise/delayed sunset
clouds blocking part of the Sun
an optical illusion with no physical basis at all
Answer
the same atmospheric refraction phenomenon responsible for advanced sunrise/delayed sunset
Detailed Explanation
The chapter attributes the apparent flattening of the Sun's disc at sunrise/sunset to the same atmospheric refraction phenomenon.
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