A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The…
Physics · JEE Advanced · NTA Exams — Oscillations and Waves
A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer in Hz is (Speed of sound = 330 m/s).
- 409
- 429
- 517
- 500 .
Answer
(C) 517
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