Published by:
CGP EDU Academic Team
Published on: September 12, 2026
When a car is approaching the observer, the frequency of horn is 100Hz. After passing the observer, it is 50Hz. If the observer moves with the car, the frequency will be 
Hz where x =___
Text Solution
Verified by ExpertsThe correct answer is:
200
(200)
C= speed of sound
V s = speed of source
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