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10 November, 12:51

Given that the speed of sound in air is 330m/s, calculate the frequency of a note which setup a wavelength of 5cm in air. Is this frequency within the limits of audibility of the human ear?

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  1. 10 November, 13:05
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    v = wavelength x frequency

    330 = 5. 10-² m x f

    f = 6600 Hz

    the frequency human is capable to hear - 20 Hz - 20. K Hz

    so human can easily interpret note just like we interpret light
  2. 10 November, 13:20
    0
    v = wavelength x frequency

    330 = 5. 10-² m x f

    f = 6600 Hz

    the frequency that human can hear is about 20 Hz - 20000 Hz

    so human can hear the note.
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