A human ear responds to sound waves of frequencies in the range of 20 Hz to 20 KHz. What are the corresponding wavelengths, if the speed of sound in air is 330 m/s?
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Secondary School
Physics
5 points
A man has an audible range from 20Hz to 20kHz. What are the wave lengths of sound in air corresponding to these two frequencies.
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byAyushipokhriyal 22.03.2017
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shankykkr22
Ambitious
Speed of sound= wavelenth * frequency
when frequency is 20Hz
then wavelength=344/20=17.2m
when frequency is 20KHz
then wavelength= 344/20000 (20KHz = 20000Hz)
=0.0172m
Secondary School
Physics
5 points
A man has an audible range from 20Hz to 20kHz. What are the wave lengths of sound in air corresponding to these two frequencies.
Ask for details
Follow
Report
byAyushipokhriyal 22.03.2017
Answers

shankykkr22
Ambitious
Speed of sound= wavelenth * frequency
when frequency is 20Hz
then wavelength=344/20=17.2m
when frequency is 20KHz
then wavelength= 344/20000 (20KHz = 20000Hz)
=0.0172m
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