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09/01/2021 4:12 pm
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What is ‘ultrasonic’ and ‘infrasonic’ sound wave?
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09/01/2021 4:14 pm
Sound waves with frequencies below the audible range (less than 20 Hz) are termed as “infrasonic” and those sound waves with frequencies above the audible range (more than 20000 Hz) are termed as “ultrasonic”.