Question 27 (6 points) The acoustical system shown in the figure is driven by a speaker emitting a monotonic sound. Take Vair-340 m/s. The upper U-shaped tube is 1.12 m long and the lower U-shaped tube is 1.37 m long. Sliding section Speaker Receiver
Can the person hear any sound if the speaker emits a f=680 Hz sound? Can the person hear any sound if the speaker emits a f=2720 Hz sound? Can the person hear any sound if the speaker emits a f=1360 Hz sound? 1. Yes. 2. No.
Answer Answer Question 27 (6 points) The acoustical system shown in the figure is driven by a speaker emitting a monotonic soun
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