The human ear canal (Fig. 13.3) is typically about 2.4 cm long, is roughly cylindrical, an...

The human ear canal (Fig. 13.3) is typically about 2.4 cm long, is roughly cylindrical, and is closed at one end where it is capped by the eardrum, (a) What is the fundamental frequency of the ear canal? (b) Determine the range of frequencies where the ear is most sensitive (see Fig. 13.4). How does the ear canal’s fundamental frequency compare?

Figure 13.3 Your ear detects sound through the pressure on the eardrum. The oscillating pressure of the sound wave produces an oscillating force on the eardrum.

Figure 13.4 Contours of constant pcrceived loudness as a function of frequency for normal human hearing.