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Q.

The audible range of the average human ear is


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a

20 Hz

b

21,000 Hz

c

3000 Hz

d

20Hz - 20,000 Hz 

answer is D.

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Detailed Solution

The audible range of the average human ear is 20Hz - 20,000 Hz.
There are three categories of sound: A sound with an infrasonic frequency is one that is lower than 20 Hz. Elephants communicate with herds hundreds of kilometres afar via infrasonic sounds. Sonic: It is a sound whose frequency ranges from 20 - 20,000 Hz and is audible to human ears. Inaudible sounds are those that a human cannot hear. A sound with a frequency higher than 20,000 Hz is considered ultrasonic. Dogs and bats can hear high-frequency sounds.
 
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