Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
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Q · Waves and SoundEasy · 45s
If the distance between wave crests is 2 m and the wave travels at 10 m/s, its frequency is: 123
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.
v = fλ → f = v/λ = 10/2 = 5 Hz.
131
Final Answer: Option B - 5 Hz
127