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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 |
Answer» <p>you know that </p><p>v=f*lambda in case of 20Khz</p><p>v/f=lambda 344/20000=wavelength in case of 20KHz</p><p>344/20= wavelength for 20Hz .0172m= wavelenght in case of 20Khz</p><p>17.2m=wavelength in 20Hz</p> | |