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14 September, 02:49

What terms are used to describe the range of

pitches that we can't hear?

A. Elephansonic and Dolphinsonic

B. Subsonic and Supersonic

C. Infrared and Ultraviolet

D. Infrasonic and Ultrasonic

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Answers (1)
  1. 14 September, 03:14
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    Answer:The human ear responds to sounds with frequencies in the range from 20 Hz to 20,000 Hz. This is called the audible range of the human ear. Drums, guitar strings, tuning fork, human vocal cords and diaphragms of loudspeakers 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 cant 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.

    Differentiate between audible, ultrasonic and infra-sonic frequency range and give examples - definition

    Sound waves are divided into three categories that cover different frequency ranges. They are as follows:

    (1) Audible waves are waves that lie within the range of sensitivity of the human ear. They can be generated in a variety of ways, such as by musical instruments, human vocal cords, and loudspeakers.

    (2) Infrasonic waves are waves having frequencies below the audible range. Elephants can use infrasonic waves to communicate with each other, even when separated by many kilometers.

    (3) Ultrasonic waves are waves having frequencies above the audible range. Ultrasonic waves are used in medical imaging.

    Explanation:

    above sentence are the explanation
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