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A plane longitudinal wave of angular fre...

A plane longitudinal wave of angular frequency `omega`=1000 rad Is is travelling along positive x direction in a homogeneous gaseous medium of density `d = 1kgm^(-3)` . Intensity of wave is `I = 10^(-10) W.m^(-2)` and maximum pressure change is `(Delta P)_m = 2 xx10^(-4) Nm^(-2)` . Assuming at x = 0, initial phase of medium particles to be zero
Velocity of the wave is

A

`500 ms^(-1)`

B

`100 ms^(-1)`

C

`300 ms^(-1)`

D

`200 ms^(-1)`

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The correct Answer is:
D
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