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Atmospheric refraction

5 PYQ across 4 exams · 2013–2022 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 2013 → NDA 2021 → CDS 2022 → CISF 2022
20131 PYQ
CSEQ89
Consider the following phenomena : 1. Size of the sun at dusk 2. Colour of the sun at dawn 3. Moon being visible at dawn 4. Twinkle of stars…
20212 PYQs
NDAQ130
Twinkling of stars is primarily due to the atmospheric…
NDAQ89
Twinkling of stars is due to…
20222 PYQs
CDSQ22
The twinkling of a star is due to :…
CISFQ29
What is the time difference between the actual sunset and apparent sunset ?…
Related concepts — explore their timelines too
Optics
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