Use Figure 13.4 to find the sensitivity of the human ear at 50 Hz. That is, what
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Use Figure 13.4 to find the sensitivity of the human ear at 50 Hz. That is, what is the lowest sound intensity the ear can detect at this frequency?
Figure 13.4
Transcribed Image Text:
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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College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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