Solved UPSC CDS/OTA Question
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Q · Optics-Refraction of LightMedium · 45s
Which one of the following explains why a fish appears closer than it really is when viewed from above water?
TopicOptics-Refraction of Light
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Due to refraction, light rays bend away from the normal when moving from water to air, making the fish appear at a shallower depth than its actual position.
Final Answer: Option D - Refraction