Solution 10 (Sound, Class 8)

The difference between audible and inaudible sounds are tabulated below:-

Audible Sound Inaudible Sound
The frequencies of sound which humans can hear. The frequencies of sound which humans cannot hear.
The range of audible frequencies of human ear is approximately from 20 to 20,000 Hz. The range of inaudible frequencies of human ear is less than 20 Hz and higher than 20,000 Hz.
Eg:- Music, normal talk, Voice of television etc. Eg:- Sound make by ultrasound and infrasound equipments.

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NCERT solutions, class 8

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