Sound waves travel at 350 m/s through warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm air
A. increases by a factor 20
B. increases by a factor 10
C. decreases by a factor 20
D. decreases by a factor 10
Answer:B
Sound waves travel at 350 m/s through warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it enters brass from warm air
A. increases by a factor 20 B. increases by a factor 10 C. decreases by a factor 20 D. decreases by a factor 10