How much ultrasonic sound a human can hear in how much frequency?
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upto 20000hz .............. from 20 hz
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0
hey mate
ur question is wrong
ultrasonic sound is cannot hear by humans of infrasonic also.
man can her sound upto20Hrz to20,000 Hrz (20khrz)
ur question is wrong
ultrasonic sound is cannot hear by humans of infrasonic also.
man can her sound upto20Hrz to20,000 Hrz (20khrz)
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