Sound with a frequency 650 hz from a distant source passes
Sound with a frequency 650 HZ from a distant source passes through a doorway 1.10 m wide in a sound absorbing wall. Find the number and angular directions of the diffraction minima at listening positions along a line parallel to the wall.
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sound with a frequency 650 hz from a distant source passes through a doorway 110 m wide in a sound absorbing wall find
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