The driver of a car travelling with speed 30 
towards a hill sounds a 
offrequency 600 Hz. If the velocity of sound in air is 330 
, the frequency ofreflected sound as heard by driver is
Text Solution
Verified by ExpertsThe correct answer is:
B
Car is the source and the hill are observer. Frequency heard at the hill, 
Now for reflection, the hill is the source and the driver the observer.
Hz.
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