Given that v, f and \(\lambda\) are the velocity, frequency and wavelength of a wave respectively. Which of the following equations is correct?

A. v = f²\(\lambda\)
B. f = \(\frac{v}{\lambda}\)  
C. f = \(\frac{v}{\lambda^2}\)
D. \(\lambda = \frac{f}{v^2}\)

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Correct Answer: B