Referring to the Fletcher-Munson curves shown, at approximately what frequency is the human ear most sensitive at the 120 dB? Intensity level, dB 120 100 80 60 40 20 0 20 Threshold of hearing O 30 Hz O 18000 Hz 040 Hz O 10000 Hz 0 4000 Hz 120 100 80 60 40 20 0 40 60 100 200 400 1000 Frequency, Hz 4000 10 000

Human Physiology: From Cells to Systems (MindTap Course List)
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Chapter6: The Peripheral Nervous System: Afferent Division; Special Senses
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Referring to the Fletcher-Munson curves shown, at approximately what frequency is the human ear most sensitive at the 120 dB?
Intensity level, dB
120
100
80
60
40
20
0
20
Threshold of hearing
O 30 Hz
O 18000 Hz
040 Hz
Q 10000 Hz
O 4000 Hz
120
100
80
60
40
20
0
40 60 100 200 400 1000
Frequency, Hz
4000 10 000
Transcribed Image Text:Referring to the Fletcher-Munson curves shown, at approximately what frequency is the human ear most sensitive at the 120 dB? Intensity level, dB 120 100 80 60 40 20 0 20 Threshold of hearing O 30 Hz O 18000 Hz 040 Hz Q 10000 Hz O 4000 Hz 120 100 80 60 40 20 0 40 60 100 200 400 1000 Frequency, Hz 4000 10 000
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