Physics, 08.04.2020 04:42 lilquongohard

Sound with frequency 1200 HzHz leaves a room through a doorway with a width of 1.03 mm . At what minimum angle relative to the centerline perpendicular to the doorway will someone outside the room hear no sound

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Sound with frequency 1200 HzHz leaves a room through a doorway with a width of 1.03 mm . At what min...

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