I. Temperature.
II. Density of air molecules
III. Pressure
IV. Pitch
Which of the above will affect the velocity of sound in the air
a
I and II only
b
II and IV only
c
I,II and IV only
d
I,II,III nad IV
Explanation
Correct Option
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Wawaaaaaaaaaaaqa
2 years ago
pitch loudness and pressure of surrounding air has no effect on velocity of sound 
