# A man has an audible range from 20Hz to 20000 kHz what are the wavelength of sound in air corresponding to these two frequencies ( speed of sound in air is 344m/s)

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by deep17

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2016-03-29T10:17:46+05:30

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For a sound wave,
Speed = Wavelength x Frequencyv = λ x ν
Speed of sound in air = 344 m/s (Given)
(i) For, ν= 20 Hz
λ1= v/ν = 344/20 = 17.2 m

(ii) For, ν= 20000 Hz
λ2= v/ν = 344/20000 = 0.172 m
2016-03-29T10:35:57+05:30

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I hope it help u...................
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