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The speed of sound in a particular gas is 675 m/s. A sound wave propagating in this material has a wavelength offifteen meters. What is the frequency of this sound?knowns and unknownsolveright answer

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Given, Speed of the sound, v=675 m/s

The wavelength of the wave, λ=15 m

Relation between speed, wavelength, and frequency of a wave is given by


v=f\lambda

Where f is the frequency of the sound.

On substituting the known values,


675=f*15

Which gives us,


f=(675)/(15)=45\text{ Hz}

Therefore the frequency of the sound in the given medium is 45 Hz.

User Bill Eisenhauer
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