Solved UPSC CDS/OTA Question
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Q · Optics-Reflection of LightMedium · 45s
Which of the following devices is based on multiple reflections?
TopicOptics-Reflection of Light
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Kaleidoscopes use multiple plane mirrors to create symmetrical patterns.
Final Answer: Option (d