Which one of the following statements is not correct?
A. the velocity of sound in air increases with the increases of temperature
B. The velocity of sound in air is independent of pressure
C. The velocity of sound in air decreases as the humidity increases
D. The velocity of sound in air is not affected by the change in amplitude and frequency
Answer:C
Which one of the following statements is not correct?
A. the velocity of sound in air increases with the increases of temperature B. The velocity of sound in air is independent of pressure C. The velocity of sound in air decreases as the humidity increases D. The velocity of sound in air is not affected by the change in amplitude and frequency