Sound (speed 5 343 m/s) exits a diff raction horn
Chapter , Problem 18(choose chapter or problem)
Sound (speed 5 343 m/s) exits a diff raction horn loudspeaker through a rectangular opening like a small doorway. A person is sitting at an angle a off to the side of a diff raction horn that has a width D of 0.060 m. This individual does not hear a sound wave that has a frequency of 8100 Hz. When she is sitting at an angle a/2, the frequency that she does not hear is diff erent. What is this frequency?
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