Wavelength of visible light is of the order of 6 x ${{10}^{-7}}$ m. Wavelength of audible sound in air varies from 16.6 x ${{10}^{-3}}$ m to 16.6 m.
Wavelength of visible light is of the order of 6 x ${{10}^{-7}}$ m. Wavelength of audible sound in air varies from 16.6 x ${{10}^{-3}}$ m to 16.6 m.