Question: Use the data in Figure 13.4 to determine the approximate frequency at which the human ear is most sensitive to sound. Figure 13.4 Onset of

Use the data in Figure 13.4 to determine the approximate frequency at which the human ear is most sensitive to sound.

Figure 13.4

Onset of damage to ear 140 102 120 100 100 10-2 80 10-4 60 10-6 40 10-8 10-10 10-12 -20 31 62 125 250 500 1000 4000 16,0

Onset of damage to ear 140 102 120 100 100 10-2 80 10-4 60 10-6 40 10-8 10-10 10-12 -20 31 62 125 250 500 1000 4000 16,000 Frequency (Hz) Each contour line has Threshold of Intensity (W/m2) 20 B = intensity level (dB)

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