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Dispersion of light

6 PYQ across 5 exams · 2013–2025 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 2013 → CDS 2017 → … → GEO 2025
20131 PYQ
CSEQ90
Rainbow is produced when sunlight falls on drops of rain. Which of the following physical phenomena are responsible for this? 1. Dispersion …
20171 PYQ
CDSQ31
The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is…
20191 PYQ
CAPFQ68
When a beam of white light is allowed to fall on a prism, the maximum deviation of the emerging light occurs for…
20211 PYQ
NDAQ147
When a light beam falls on a triangular glass prism, a band of colours is obtained. Which one of the following statements is correct in this…
20231 PYQ
NDAQ148
In the dispersion of white light by a common glass prism, which one among the following is correct?…
20251 PYQ
GEOQ5
When white light propagating in air passes through a glass prism, it splits into a band of colours referred to as the white light spectrum. …
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RefractionOpticsTotal internal reflection
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