K 2. Resonances in a Tube A student is given a tube of unknown length and cannot tell whether the ends of the tube are open or closed. Given a tunable sound generator the student measures the frequencies of the two lowest resonances in the tube to be 235 Hz and 587 Hz. a. Explain why this student must be mistaken in the measurement. b. Is it possible that the student measured the lowest frequency correctly and simply missed some resonances between the two given above? If so, what would those missed frequencies be and what conclusion about end conditions can you reach? If not, why not?

K 2. Resonances in a Tube A student is given a tube of unknown length and cannot tell whether the ends of the tube are open or closed. Given a tunable sound generator the student measures the frequencies of the two lowest resonances in the tube to be 235 Hz and 587 Hz. a. Explain why this student must be mistaken in the measurement. b. Is it possible that the student measured the lowest frequency correctly and simply missed some resonances between the two given above? If so, what would those missed frequencies be and what conclusion about end conditions can you reach? If not, why not?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 53PE: (a) Students in a physics lab are asked to find the length of an air column in a tube closed at one...

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(a) What are the loudnesses in phons of sounds having frequencies of 200, 1000, 5000, and 10,000 Hz. if they are all at the same 60.0dB sound intensity level? (b) If may are all at 110 dB? (c) If they are all at 20.0 dB?
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