Question

or write two uses of ultrasonic sound​

Answer 1

it is used to detect object and to find distance mark it brilliant

Answer 2

Hey mate...... Here is the correct answer :

ultrasonic sounds are used by police investigators to inform the dogs which can hear the ultrasonic sounds but humans can't

ultrasonic sounds are used by whales to inform their partners

TRIVIA

sound waves more than frequency 20,000 are known as ultrasonic or Ultra sound these are in audible to US and there are also some inaudible sounds which are known as infrasonic or infrasound which are less than 20 hertz or 20 cycles per second both of these are in audible to US and the audible range for human ear is 20 to 20000 Hertz

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