Question
What are the lowest and highest frequencies that an ear can detect when the sound level is 40 dB? (See Fig. 12$-$6.)
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This range is not constant but varies depending on the sound level, which is measured in decibels (dB). Show more…
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(1) What are the lowest and highest frequencies that an ear can detect when the sound level is 30 $\mathrm{dB} ?(\text { See Fig. } 12-6 .)$
(I) What are the lowest and highest frequencies that an ear can detect when the sound level is $40 \mathrm{dB} ?$
Your ears can accommodate a huge range of sound levels. What is the ratio of highest to lowest intensity at ($a$) 100 Hz, ($b$) 5000 Hz? (See Fig. 12$-$6.)
SOUND
The Ear and Its Response; Loudness
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