Which one of the following statements concerning spherical mirrors is correct? a. only a convex mirror can produce an enlarged image.
b. both concave and convex mirrors can produce an enlarged image.
c. only a concave mirror can produce an enlarged image, provided the object distance is less than the radius of curvature.
d. only a concave mirror can produce an enlarged image, provided the object distance is greater than teh radius of hte curvature.