what is the range audible of frequency for normal human ear
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The human ear can respond to minute pressure variations in the air if they are in the audible frequency range, roughly 20 Hz - 20 kHz. It is capable of detecting pressure variations of less than one billionth of atmospheric pressure.
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20 Hz to 20 KHz
Audible sound is defined as the sound which can be hear by a particular organism .
This means that the sound wave must have a frequency of 20 Hz to 20,000 Hz for humans.
This is the audibility range of humans.
However some other animals like dolphins , bats , etc. have more audiblity ranges and hence they can hear wide variety of sounds.
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