Published by:
CGP EDU Academic Team
Published on: August 23, 2026
Two cars 
and 
are approaching each other with velocities 
and 
respectively. The frequency of a whistle sound as emitted by a passenger in car 
, heard by the passenger in car 
is 
. If the velocity of sound in air is 
, the actual frequency of the whistle sound produced is Hz.
Text Solution
Verified by ExpertsThe correct answer is:
1210
(1210)
by doppler's effect
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