how many how many sound of frequency in ultrasonic sound
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Answer:
Frequency of ultra sonic sound is above 20,000hertz
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Ultrasonic Sound. The term "ultrasonic" applied to sound refers to anything above the frequencies of audible sound, and nominally includes anything over 20,000 Hz. Frequenciesused for medicaL diagnosticultrasound scans extend to 10 MHz and beyond.
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