A light wave travels from air into a medium of refractive index 1.54. If the wavelength of the light in air is \(5.9\times10^{-7}\)m, calculate its wavelength in the medium
- \(2.5\times10^{-7}\)m
-
\(3.8\times10^{-7}\)m
- \(4.6\times10^{-7}\)m
- \(5.2\times10^{-7}\)m
- \(6.1\times10^{-7}\)m