what are altrasonics give any example
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Answer:
An example of ultrasonic is a dog whistle that cannot be heard by humans, An example of ultrasonic is the detection of ships and objects underwater by bouncing a high frequency sound wave off their hulls, a process discovered by Paul
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Answer:
Ultrasonic is more than 20,000 hertz which is more frequency than humans..
Explanation:
eg; dogs whistle.
Hope it helps you..
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