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  • A plane harmonic wave of frequency 0.5 kHz is propagating in air (medium) of density with displacemen

A plane harmonic wave of frequency 0.5 kHz is propagating in air (medium) of density 1.30 kg/m^3 with displacement amplitude of 1.00 \times 10^{-2} mm. (Speed of sound in air is 300 m/s). The pressure amplitude is

Option: 1

10.4 Pa


Option: 2

12.2 Pa


Option: 3

 18.5 Pa


Option: 4

16.4 Pa


Answers (1)

best_answer

\delta P_{max}=BkA=\rho v^2kA=2 \pi f\rho vA\\ \\ v=\sqrt{\frac{B}{\rho }}\\ \\\Rightarrow B=\rho v^2

Posted by

Rishabh

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