The human ear canal is much like an organ pipe that is closed at one end (at
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The human ear canal is much like an organ pipe that is closed at one end (at the tympanic membrane or eardrum) and open at the other (FIGURE 14-48). A typical ear canal has a length of about 2.4 cm.
(a) What are the fundamental frequency and wavelength of the ear canal?
(b) Find the frequency and wavelength of the ear canal's third harmonic.
(c) Suppose a person has an ear canal that is shorter than 2.4 cm. Is the fundamental frequency of that person's ear canal greater than, less than, or the same as the value found in part (a)? Explain.
Transcribed Image Text:
Outer ear Middle ear Inner ear Auditory Oval ossicles Semicircular canals window Nerves (to brain) - Cochlea -2.4 cm Vestibular complex Round window Ear canal Internal Tympanic membrane Eustachian jugular vein tube
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