Question

What is the audiable range of a normal human ear? how are the sound of frequencies below and above range named? mention any four applications of sound above audible range of frequencies describing detail about any one of them.​

Answer 1

Answer:

20herz to 20 kiloherz is the audible range.

above 20khz = ultrasonic sound.

below 20hz = infrasonic sound.

applications:

1. Bats use ultrasonic sound to find their prey and to detect any object in their path.
2. Used to clear electronic chips.
3. Used while doing ultrasound.
4. Make minor cuts or holes in any mirror or glass.

"HOPE IT WILL BE HELPFUL FOR YOU

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Answer 2

Answer:

good . thanks