Ts Eamcet
Ray Optics
TG EAPCET 2025 (Online) 3rd May Evening Shift
MCQ+1 / -02025
A convex lens of radii of curvature 6 cm and 12 cm is immersed in a liquid of refractive index 1.3. If the refractive index of the material of the lens is 1.5 , then the focal length of the lens when immersed in the liquid is