Is it true the audible range of an average human ear is $20 Hz to 20 kHz$ ?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Humans have an average hearing range of

20 Hz

20 kHz

and use three muscles to aid in the hearing process. The hertz is the SI frequency unit (

Hz

). In most adults, the upper limit is closer to

15 - 17 kHz

. A frequency below

20 Hz

is referred to as an infrasonic frequency. The frequency above

20000 Hz

is referred to as the ultrasonic frequency. Sound waves are longitudinal mechanical waves with a frequency defined as the number of wave cycles per second. Infrasonic waves are sound waves that have frequencies lower than the audible limit of human hearing.

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