A 256 Hz sound wave in air (density 1.20 kg/m^3, speed of sound 344 m/s) has intensity 4.50×10^−8 W/m. What is the wave's pressure amplitude? If the intensity remains the same but the frequency is doubled to 512 Hz, how does this affect the pressure amplitude?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A 256 Hz sound wave in air (density 1.20 kg/m^3, speed of sound 344 m/s) has intensity 4.50×10^−8 W/m. What is the wave's pressure amplitude? If the intensity remains the same but the frequency is doubled to 512 Hz, how does this affect the pressure amplitude?

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