(i) Calculate the distance of an objective of height h from a concave mirror of radius of curvature
Channel: Doubtnut
Date: 2020-01-19

(i) Calculate the distance of an objective of height h from a concave mirror of radius of curvature 20 cm , so as to obtain a real image of magnification 2. find the location of image also . (iii) Using mirror formula explain Why does a convex always produce a virtual image .