JEE Main 2025 Physics question
A bi-convex lens has radius of curvature of both the surfaces same as 1/6 cm. If this lens is required to be replaced by another convex lens having different radii of curvatures on both sides (), without any change in lens power then possible combination of and is :
Answer: (1)
Solution
using original lens; need ; option (1) gives 5+7=12. ✓