Solved UPSC CDS/OTA Question
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Q · Waves and SoundEasy · 45s
Beats are produced by the superposition of two waves when they have: 156
TopicWaves and Sound
Question Typemultiple choice
DifficultyEasy
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Beats arise due to constructive and destructive interference.
164
Final Answer: Option B - Slightly different frequencies
160