The basilar membrane of the cochlea vibrates

safaTerkawi

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2022-08-10

The basilar membrane of the cochlea vibrates.

At the same frequency as the applied sound.
With an amplitude which is proportional to the frequency of the applied sound.
With an amplitude which is proportional to the loudness of the applied sound.
Along more of its length when the applied sound has a high rather than a low frequency.
Mainly at the base of the cochlea for the sound frequencies commonly used in speech.

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safaTerkawi

2022-08-10

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A. True Harmonics are also faithfully reproduced.

B. False Frequency and amplitude need not be related.

C. True Hence very loud sounds can damage the basilar membrane.

D. False Low frequency vibrations travel further up the cochlea.

E. True Speech frequencies (about 1000–3000 Hz) cause maximum vibration in this region.

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