Sound waves with frequency 2500 Hz and speed 343 m // s diffract through the rectangular opening axis of a speaker cabinet and into a large auditorium of length d = 100 m. The opening, which has a horizontal width of 30.0 cm, faces a wall 100 m away. Along that wall, how far from the central axis will a listener be at the first diffraction minimum and thus have difficulty hearing the sound? (Neglect reflections.)

Sound waves with frequency 2500 Hz and speed 343 m // s diffract th

1.	Sound waves with frequency 2500 Hz and speed 343 m // s diffract through the rectangular opening axis of a speaker cabinet and into a large auditorium of length d = 100 m. The opening, which has a horizontal width of 30.0 cm, faces a wall 100 m away. Along that wall, how far from the central axis will a listener be at the first diffraction minimum and thus have difficulty hearing the sound? (Neglect reflections.)
Answer» SOLUTION :51.4 m

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