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29 July, 04:12

Audible wavelengths. the range of audible frequencies is from about 20.0 hz to 2.00*104 hz. what is range of the wavelengths of audible sound in air?

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  1. 29 July, 04:32
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    Given:

    f1 = 20 Hz

    f2 = 20000 Hz

    speed of sound at 20 degrees celcius = 343 m/s

    Solution:

    for f1 = 20 Hz,

    Using the equation:

    lambda = speed of sound / f1 = 343 / 20 = 17.15 m

    For f2:

    lambda = speed of sound / f2 = 343 / 20000 = 0.01775 m

    Therefore the wavelength range of audible sound in air would be 17.15 m to 0.01775 m.
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