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In an organ (may be closed or open) of 99cm length standing wave is setup, whose equation is given by longitudinal displacement =(0.1 mm) cos(2pi)/0.8 (y+1 cm) cos 2pi(400 t) Where y is measured from the top of the tube in meters and t in second. Here lcm is the end correction. Equation of the standing wave in terms of excess pressure is (Bulk modulus of air B =5 xx 10^(5) N//m^(2)) |
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Answer» <P>`P_(EX) = (125 pi N//m^(2)) SIN(2pi)/0.8 (y+ 1 cm) cos 2pi (400 t)` |
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