a person has a hearing range from 20 hertz to 20 kilohertz. what are the type pickle wavelength of sound waves in their corresponding to this 2 frequencies ? Take the speed of air in as 344m/s
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Answer:
speed 344
frequency 20hz
weavlength ?
speed = frequency *wavelength
344=20* wavelength
344/22 = wavelength
17.2 wavelength
Speed 344
frequency 29 khz
20*1000
2000hz
speed - frequency* wavelength
344 =2000 *wavelength
wavelength = 0.0172
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