wave_mechanics dopplers_effect Question 20
Question: A source of frequency 150 Hz is moving in the direction of a person with a velocity of 110 m/s. The frequency heard by the person will be (speed of sound in medium = 330 m/s)
[CPMT 1989; RPET 2001]
Options:
A) 225 Hz
B) 200 Hz
C) 150 Hz
D) 100 Hz
Show Answer
Answer:
Correct Answer: A
Solution:
$ n’=\frac{v}{v-v _{s}}\times n=( \frac{330}{330-110} )\times 150=225Hz $
BETA
