Jee Main
Wave Optics
JEE Main 2025 (Online) 22nd January Evening Shift
MCQ+4 / -12025
A transparent film of refractive index, 2.0 is coated on a glass slab of refractive index, 1.45. What is the minimum thickness of transparent film to be coated for the maximum transmission of Green light of wavelength 550 nm . [Assume that the light is incident nearly perpendicular to the glass surface.]