Solved UPSC CDS/OTA Question
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Q · Optics-Refraction of LightMedium · 45s
The critical angle for diamond is about 24°. If the incident angle is greater than this, what happens?
TopicOptics-Refraction of Light
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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For angles greater than the critical angle, total internal reflection happens.
Final Answer: Option C - Total internal reflection occurs