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5 February, 19:21

The speed of sound in sea water is about 1530 m/s. If a sound wave has a frequency of 2.50 x 10^2 Hz, what is its wavelength in sea water

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  1. 5 February, 19:33
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    Answer: 6.12metres

    Explanation:

    The wavelength is the distance covered by the wave in one complete cycle. It is measured in metres, and represented by the symbol λ

    Recall that Wavespeed (V) = Frequency F x wavelength λ

    V = F λ

    In this case,

    Wavespeed of sound = 1530 m/s

    Frequency of sound = 2.50 x 10^2 Hz

    Wavelength = ? (let the unknown value be Z)

    Apply V = F λ

    1530 m/s = 2.50 x 10^2 Hz x Z

    Z = (1530 m/s / 2.50 x 10^2 Hz)

    Z = (1530 m/s / 250Hz)

    Z = 6.12m

    Thus, the wavelength of sound in sea water is 6.12m
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