A plane progressive wave is given by y = 2 co | vedclass

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(B) The given equation of the plane progressive wave is $y = 2 \cos 2 \pi (330 t - x) \ m$.The standard equation for a plane progressive wave is $y =

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$330$

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(B) The given equation of the plane progressive wave is $y = 2 \cos 2 \pi (330 t - x) \ m$.The standard equation for a plane progressive wave is $y = A \cos (\omega t - kx)$.By comparing the given equation with the standard form,we have:$y = 2 \cos (2 \pi 	imes 330 t - 2 \pi x)$Here,the angular frequency $\omega = 2 \pi 	imes 330 \ rad/s$.We know that $\omega = 2 \pi f$,where $f$ is the frequency of the wave.Equating the two expressions for $\omega$:$2 \pi f = 2 \pi 	imes 330$$f = 330 \ Hz$.Therefore,the frequency of the wave is $330 \ Hz$.

$A$ plane progressive wave is given by $y = 2 \cos 2 \pi (330 t - x) \ m$. The frequency of the wave is: (in $Hz$)

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