Published by:
CGP EDU Academic Team
Published on: August 22, 2026
A source of sound 
is moving with the velocity of 
towards a stationary observer. The observer measures the frequency of the sound as 
. What will be the apparent frequency of the source when it is moving away from the observer after crossing
him? (Take velocity of sound in air is 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
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