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A sound wave has an intensity level of 123.5 dB in air. The density of air...

A sound wave has an intensity level of 123.5 dB in air. The density of air at 20.0°C is ρ = 1.20 kg/m3. The speed of sound in air at 20.0°C is v = 343 m/s

What is the pressure amplitude of the wave? in N/m2

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