How many times our eardrum can be vibrates/Seconds?
The human ear normally can listen sounds from assets that vibrate as slowly as 20 vibrations per second (20 Hz) and hastily as 20 000 vibrations per second
At what charge does the eardrum vibrate?
525 Hz
Contour strains of same amplitude of human eardrum vibration at 525 Hz (121 dB SPL).
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