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The frequency of the sound emitted by the loudspeaker is $1020\ Hz$. Calculate the wavelength of the sound wave in air in cm where its velocity is $340\ m/s$.
Here give, frequency $f=1020\ Hz$
Velocity of the wave $v=340\ m/s$
As known, velocity of the wave $=frequency(f)\times wavelength(\lambda)$
Or $340=1020\times\lambda$
Or $\lambda=\frac{340}{1020}$
Or $\lambda=0.333\ m$
Thus, the wavelength of the wave is $0.333\ m$.
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