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JEE PHYSICS MCQ: RAY OPTICS

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Understanding +4 | -1
Assertion: Just before setting, the sun may appear to be elliptical. This happens due to refraction.

Reason: Refraction of light ray through the atmosphere may cause different magnification in mutually perpendicular directions.
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Correct option: A
If both assertion and reason are true and the reason is the correct explanation of the assertion
The correct answer is A (If both assertion and reason are true and the reason is the correct explanation of the assertion) because atmospheric refraction causes the sun to appear elliptical due to differential magnification.

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