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A small speaker has a capacity of power ...

A small speaker has a capacity of power 3 W. A microphone is placed at distance 2 m from the speaker. Fine the displacement amplitude of particles of air near to microphone. The frequenct of sound emitted bt speaker is 1.0 KHz
(Density of air = 1.2 `kg//m^(3)` and speed of sound in air = 330 m/s)

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