2. DIFFERENTIATE BETWEEN INFRASONIC AND ULTRASONIC SOUND. plz tell me as fast as possible
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Infrasound is sound that is below the lower limit of human hearing, below 20 Hz, and ultrasound is above the upper limit of human hearing, above 20,000 Hz. Infrasonic Sound has a frequency less than the audible frequency range. Less than 20 Hz. ... Ultrasonic Sound has a frequency greater than the audible frequency range.
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Infrasound is sound that is below the lower limit of human hearing, below 20 Hz, and ultrasound is above the upper limit of human hearing, above 20,000 Hz. Infrasonic Sound has a frequency less than the audible frequency range. Less than 20 Hz. ... Ultrasonic Sound has a frequency greater than the audible frequency range.
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