The concave surface of a thin concavo-convex lens of index`1.5`has radius of curvature `50cm` and`10
Channel: Doubtnut
Date: 23/08/2020

The concave surface of a thin concavo-convex lens of index`1.5`has radius of curvature `50cm` and`10cm` respectively.The concave side is silvered andplaced on a horizontal surface as shown  The object distance at which its image coincides with itself is