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27 August, 00:08

If the speed of sound in air is 343 m/s and the wavelength of this note is 2.62 m, what is the frequency of this C3 note? (Round your answer to three significant figures.)

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  1. 27 August, 01:23
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    The frequency of of the note = 131 Hz.

    Explanation:

    Frequency: Frequency can be defined as the number of complete oscillation completed by a wave in one seconds. The S. I unit of frequency is Hertz (Hz)

    v = λf ... Equation 1

    Making f the subject of the equation,

    f = v/λ ... Equation 2

    Where v = Speed, λ = wavelength, f = frequency

    Given: v = 343 m/s, λ = 2.62 m.

    Substituting these values into equation 2

    f = 343/2.62

    f = 131 Hz

    Thus the frequency of of the note = 131 Hz.
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