The relation between frequency ‘n’ wavelength ‘$\mathrm{\lambda }$’ and velocity of propagation ‘v’ of wave is

• A

  $\mathrm{n}=\mathrm{v\lambda }$

• B

  $\mathrm{n}=\mathrm{\lambda }/\mathrm{v}$

• C

  $\mathrm{n}=\mathrm{v}/\mathrm{\lambda }$

• D

  $\mathrm{n}=1/\mathrm{v}$