Question

Which are not related to the frequency of sound
i)ultrasonic
ii)subsonic
iii)infrasonic
iv)supersonic

Answer 1

Answer:

2).Subsonic.

Explanation:

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Answer 2

AUDIBLE RANGE OF SOUND - EXAMPLEconceptThe 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 soundAudible 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.