Dimensional formula of wavelength

= [${{M}^{0}}$${{L}^{1}}$${{T}^{0}}$]

Dimensional formula of frequency

= [${{M}^{0}}$${{L}^{0}}$${{T}^{-1}}$]

= [${{M}^{0}}$${{L}^{1}}$${{T}^{0}}$]

Dimensional formula of frequency

= [${{M}^{0}}$${{L}^{0}}$${{T}^{-1}}$]