Question
Physics Question on Sound Wave
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
Answer
448 Hz
Explanation
Solution
The correct option is (D): 448 Hz.