The frequency and wavelength of a sound wave in a medium is 10 kHz and 1 cm. What is the wavelength of a 20 kHz sound wave in the same medium?
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Answer:Recall that v=fλ, and in a given medium under fixed temperature and humidity, v is constant. Therefore, the relationship between f and λ is inverse: The higher the frequency, the shorter the wavelength of a sound wave.
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