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                                    Two spherical mirrors -one convex and other concave are each of the same radius r. They are arranged coaxially at a dis†an ce 2r from each other. A small circle of radius a is drawn on the convex mirror near the pole. Prove that the radii of the first two images are (a/3) and (a/11). | 
                            
| Answer» Two spherical mirrors -one convex and other concave are each of the same radius r. They are arranged coaxially at a dis†an ce 2r from each other. A small circle of radius a is drawn on the convex mirror near the pole. Prove that the radii of the first two images are (a/3) and (a/11). | |