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Q.

A human ear can hear sound waves ranging from 20 Hz to ____Hz.


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Detailed Solution

A human ear can hear sound waves ranging from 20 Hz to 20,000 Hz.
The lowest limit of audible range of frequency is 20 Hz. A healthy person's average hearing frequency ranges from 20 Hz to 20,000 Hz. Sound frequency less than 20 Hz is called infrasonic, which is audible to some animal species like elephants and whales. At the same time, a frequency of more than 20,000 Hz is called ultrasonic. The frequency of waves is defined as the number of waves that pass a fixed point per second. The unit of frequency isHertz.
 
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