A stationary source emits sounds waves of frequency 
. Two observers moving along a line passing through the source detect sound to be of frequencies 
and 
. Their respective speeds are, in 
(Given speed of sound 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2019
Frequency of sound source 
When observer is moving away from the source
Apparent frequency 
And when observer is moving towards the source
From equation 
From equation 
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