The radius of curvature of a mirror is 24 cm. A diamond ring is placed in front of this mirror. The image is twice the size of the ring.
Concepts:
(i) Is the mirror concave or convex, or is either type possible?
(ii) How many places are there in front of a concave mirror where the ring can be placed and produce an image twice the size of the object?
(iii) What are the possible values for the magnification of the image of the ring?
Calculation: Find the object distance of the ring.