Which of the following frequencies is not in the audible range of sound for human beings?
1) 5 Hz
2) 50 Hz
3) 500 Hz
4) 5000 Hz
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1) 5 Hz
The human ear responds to sounds with frequencies in the range from 20 Hz to 20,000 Hz(20 kHz). This is called the audible range of the human ear. Drums, guitar strings, human vocal cord are examples of audible range of sound
Audible sound waves whose frequencies are less than 20 Hz are in the infrasonic range. Sound produced by earthquakes, thunder, volcanoes are in Infrasonic range. Human Ear can’t hear this sound but elephants and whales can hear this.
Frequencies above 20,000 Hz are in the ultrasonic range. The audible range of dogs, cats, moths and mice extends into ultrasound frequencies. They can hear very high frequencies that humans cannot.