Mht Cet
Ray Optics
MHT CET 2025 26th April Evening Shift
MCQ+1 / -02025
Refractive index of a glass convex lens is 1.5 . The radius of curvature of each of the two surfaces of the lens is 40 cm . The ratio of the power of the lens when immersed in a liquid of refractive index 1.25 to that when placed in air is