Solved UPSC CDS/OTA Question
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Q · Optics-Refraction of LightMedium · 45s
When light travels from air into glass, it:
TopicOptics-Refraction of Light
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Glass is denser than air; light slows down and bends towards the normal due to higher optical density.
Final Answer: Option B - Slows down and bends towards the normal