at a point in a sound wave where the gas of volume v is compressed by delta v, t

Question

at a point in a sound wave where the gas of volume v is compressed by delta v, the pressure is:
a) P+B*(deltaV/V) where P is the background pressure of the gas and B is the bulk modulus
b) P-B*(deltaV/V) where P is the background pressure of the gas and B is the bulk modulus
c) P+B*P*deltaV, where P is the background pressure of the gas and B is the bulk modulus
d) P-B*P*deltaV, where P is the background pressure of the gas and B is the bulk modulus
e) P+vpV, where P is the background pressure of the gas, v is the speed of the sound wave, and p is the gas density.

please show all steps

Explanation / Answer

B = (P2-P1)/dV/V

P2-P1 = B*(deltaV/V)

P2 = P1 + B*(deltaV/V)

a) P+B*(deltaV/V) where P is the background pressure of the gas and B is the bulk modulus

OPTION A

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