Which of the following statement is untrue? The velocity of sound in a gas …….
A. is independent of pressure
B. increases with increase in temperature
C. is dependent on molecular weight
D. is greater in dry air than in moist air
Answer:D
Which of the following statement is untrue? The velocity of sound in a gas …….
A. is independent of pressure B. increases with increase in temperature C. is dependent on molecular weight D. is greater in dry air than in moist air