Two cars 
and 
are moving away from each other in opposite directions. Both the cars are moving with a speed of 
with respect to the ground. If an observer in car A detects a frequency 
of the sound coming from car 
, what is the natural frequency of the sound source in 
?
(speed of sound in air 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2019
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