Sound WavesMedium
Question
A person observes a change of 2.5% in frequency of sound of horn of a car. If the car is approaching forward the person & sound velocity is 320 m/s, then velocity of car in m/s will be approximately : -
Options
A.8
B.800
C.7
D.6
Solution
ᐃf = fapp - fo = fo 
- fo
⇒
⇒ vs = 
= 8m /s
- fo⇒
⇒ vs = = 8m /sCreate a free account to view solution
View Solution FreeMore Sound Waves Questions
A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall building which refl...An organ pipe P1 closed at one end vibrating in its first harmonic and another pipe P2 open at ends vibrating in its thi...Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of 72 km/hr and 36 km/hr. If first...A tuning fork of frequency 512 hZ makes 4 beats per second with the vibrating string per sec when the tension in the pia...Sounds from two identical sources S1 and S2 reach a point P. When the sounds reach directly, and in the same phase, the ...