Answer to Question #254024 in Physics for mmm

Question #254024

Find the wavelength in air at 20°C of an 18-Hz sound wave, which is one of the lowest frequencies that is detectable by the human ear

Expert's answer

The speed of sound at 20°C is 343 m/s. Thus, the wavelength is

"\\lambda=c\/f=343\/18=19\\text{ m}."

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