The audible range of a human ear is 20Hz to 20kHz . Convert this into corresponding wavelength range . The speed of the sound at ordinary temperature is 340m/s.
Wavelength = velocity/ frequency
velocity=340
frequency=20hz to 20000hz
wavelength=340/20=17m
wavelength=340/20000=0.017m
so rage is 0.017m to 17m