35. Which of the following CANNOT be accomplished by a single converging lens with spherical surfaces?
(A) Converting a spherical wave front into a plane wave front
(B) Converting a plane wave front into a spherical wave front
(C) Forming a virtual image of a real object
(D) Forming a real upright image of a real upright object
(A) Converting a spherical wave front into a plane wave front
(B) Converting a plane wave front into a spherical wave front
(C) Forming a virtual image of a real object
(D) Forming a real upright image of a real upright object