Sound WavesMedium
Question
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 333 m/s)
Options
A.409
B.429
C.517
D.500
Solution
f = f0 
(observer is approaching)
= 450
= 500Hz
(observer is approaching)
= 450
= 500HzCreate a free account to view solution
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