What is the pressure amplitude of a sound wave

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Reference no: EM13513734

(a) What is the pressure amplitude of a sound wave with an intensity level of 121.5 dB in air?

_______N/m2

(b) What force does this exert on an eardrum of area 5.40 10-5 m2?

___________ mN

Reference no: EM13513734

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