NEET2017Physics-Waves
NEET 2017 Physics Doppler Effect MCQ Question
Type: MCQ-numerical-Medium-Class 11
Two cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s respectively. The driver of the first car blows a horn having a frequency 400 Hz. The frequency heard by the driver of the second car is (velocity of sound 340 m/s)
A
350 Hz
B
361 Hz
C
411 Hz
D
448 Hz
Correct Answer
Option C
Detailed Explanation
Using the Doppler effect formula for sound, the frequency heard is calculated considering the relative motion of source and observer.
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