The velocity of sound in air is affected by change in the
I. Moisture content of air
II. Temperature of air
III. Composition of air
IV. Atmospheric pressure
Choose the correct answer.
1
I, II and III
2
II, III and IV
3
I, II and IV
4
I, III and IV
The velocity of sound in air is affected by change in the
I. Moisture content of air
II. Temperature of air
III. Composition of air
IV. Atmospheric pressure
Choose the correct answer.