Back to 17.5 Sound Interference and Resonance: Standing Waves in Air Columns

17.5 Exercise 34

Avg difficulty 2.5

The ear canal resonates like a tube closed at one end. (See the reference.) If ear canals range in length from 1.80 to 2.60 cm in an average population, what is the range of fundamental resonant frequencies? Take air temperature to be 37.0ºC37.0ºC, which is the same as body temperature. How does this result correlate with the intensity versus frequency graph (the reference of the human ear?

OpenStax College Physics 2e, 17.5 Sound Interference and Resonance: Standing Waves in Air Columns, exercise 34

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.