A loudspeaker produces sound waves that change in wavelength from 1.0 m to 1.5 m. If the wave speed is constant, how did the vibration of the loudspeaker change. Explain.
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The only possible explanation is that the frequency of the emitted wave has changed.
In fact, wavelength is related to the frequency f by:
lambda= v/f
where v is the speed of the wave. If v is constant and the wavelength has changed, then it means that f, the frequency, has also changed.
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The emmited wave frequency has changed is the only possible thing
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