The relative speed between a source of sound and the observer is zero but the wind is blowing with a velocity Vw from the source to the observer. In this case_________
A. there is no change in the frequency of the sound heard
B. the velocity of sOund is increased from V + Vw
C. the wavelength of sound heard is decreased
D. the wavelength of sound heard is increased
Answer:C
The relative speed between a source of sound and the observer is zero but the wind is blowing with a velocity Vw from the source to the observer. In this case_________
A. there is no change in the frequency of the sound heard B. the velocity of sOund is increased from V + Vw C. the wavelength of sound heard is decreased D. the wavelength of sound heard is increased