A. Temperature of air
B. Pressure of air
C. Moisture content in air
D. Wind in the direction of propagation of sound
Submitted by: Malik Asghar Hussain
Air pressure has no effect at all in an ideal gas approximation. This is because pressure and density both contribute to sound velocity equally, and in an ideal gas the two effects cancel out, leaving only the effect of temperature.
Correct Answer: Pressure of air ✔
Last Updated: July 07, 2021