Explanation
the velocity of the wave is given by:
[tex]v=f\lambda[/tex]where
v is the velocity of the wave, f is and \lambda is the thquency wavelength oof f thewave
then , let
[tex]\begin{gathered} v=331\text{ }\frac{m}{s} \\ f=2556\text{ Hz} \\ \lambda=\lambda \end{gathered}[/tex]replace
