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7. Aperson hasalearing range from 20 ㎐tto 20 kHz. wthe typical wavelengihs of scumd waves ito these two frequxencies344 m s? Take the speed of sound n |
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Answer» you know that v=f*lambda in case of 20Khz v/f=lambda 344/20000=wavelength in case of 20KHz 344/20= wavelength for 20Hz .0172m= wavelenght in case of 20Khz 17.2m=wavelength in 20Hz |
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