JEE Main 24 Jan 2025 Shift 1 Paper
© examsiri.com
Question : 42 of 75
Marks:
+1,
-0
A plano-convex lens having radius of curvature of first surface 2 cm exhibits focal length of f 1 in air. Another plano-convex lens with first surface radius of curvature 3 cm has focal length of f 2 when it is immersed in a liquid of refractive index 1.2. If both the lenses are made of same glass of refractive index 1.5 , the ratio of f 1 and f 2 will be
[24 Jan 2025 Shift 1]
Go to Question: