Jee Main
Wave Optics
JEE Main 2026 (Online) 22nd January Evening Shift
MCQ+4 / -12026
The wavelength of light, while it is passing through water is 540 nm . The refractive index of water is $4 / 3$. The wavelength of the same light when it is passing through a transparent medium having refractive index of $3 / 2$ is $\_\_\_\_$ nm.