Science, asked by Dianadia2424, 1 year ago

what is "ultrasonic"? what are the effects of "ultrasound" "sound waves"...

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Answers

Answered by joban86
0
ultrasonic sounds are those which have frequency more than20,000 HZ
their impact is very bad on our ear drum

Dianadia2424: some more points on effects please...
Dianadia2424: hey!! joban... please elaborate the answer please.
joban86: ok
Dianadia2424: thx...
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