Select One Correct Option from the following: A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer is [Speed of sound = 330 m/s.]
(A) 409 Hz
(B) 429 Hz
(C) 517 Hz
(D) 500 Hz
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a option is correct I think
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Select One Correct Option from the following: A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer is [Speed of sound = 330 m/s.]
(A) 409 Hz
(B) 429 Hz
(C) 517 Hz
✔️ (D) 500 Hz
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