The relation between frequency $n$, wavelength $\lambda$ and velocity $v$ of propagation of wave is

The relation between frequency $n$, wavelength $\lambda$ and velocity $v$ of propagation of wave is
  1. $n = v\lambda$
  2. $n = \frac{\lambda}{v}$
  3. $n = \frac{v}{\lambda}$
  4. $n = \frac{1}{v}$

Solution

Velocity of wave is given by $v = n\lambda \Rightarrow n = \frac{v}{\lambda}$

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