Sound WavesMedium
Question
A train moving at a speed of 220 ms-1 towards a stationary object, emits a sound of frequency 1000Hz. Some of the sound reaching the object gets reflected black to the train as echo. The frequencyof the echo as detected by the driver of the train is: (speed of sound in air is 330 ms-1)
Options
A.3000 Hz
B.3500 Hz
C.4000 Hz
D.5000 Hz
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