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Total internal reflection

8 PYQ across 4 exams · 1989–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1989 → CAPF 2018 → NDA 2021 → GEO 2022
19891 PYQ
CSEQ38
Total internal reflection occurs when light travels from…
19941 PYQ
CSEQ48
The basic reason for the extraordinary sparkle of a suitably cut diamond is that…
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 …
20181 PYQ
CAPFQ1
The optical phenomenon that is responsible for the propagation of light signal through an optical fibre is…
20191 PYQ
CAPFQ36
Brilliance of diamond is due to…
20211 PYQ
NDAQ99
Mirage is an illustration of…
20221 PYQ
GEOQ87
The appearance of a rainbow in the sky after a rain shower is due to…
20261 PYQ
NDAQ74
A glass slab of refractive index 1·5 is cut in the shape of a parallelepiped ABCD as shown in the figure. Surface BC is polished to form a p…
Related concepts — explore their timelines too
RefractionRefractive indexDispersion of lightOptics
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