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Calculate the intensity of a note of fre...

Calculate the intensity of a note of frequency 1000 Hz if the amplitude of vibration is `10^(-9) cm`. Density of air `= 1.3 kg m^(-3)` and velocity of sound `= 340 m s^(-1)`

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The correct Answer is:
`0.87 xx 10^(-12) "watt"//m^(2)`
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