Which of the following statements is correct? a. a convex lens has both sides rounded outward causing the light rays to converge towards one another. a concave lens has both sides rounded inward, causing the light rays to go parallel to one another. b. a convex lens has both sides rounded outward causing the light rays to converge towards one another. a concave lens has both sides rounded inward, causing the light rays to diverge away from one another. c. a convex lens has both sides rounded outward causing the light rays to diverge away from one another. a concave lens has both sides rounded inward, causing the light rays to converge towards one another. d. a convex lens has both sides rounded inward causing the light rays to converge towards one another. a concave lens has both sides rounded outward, causing the light rays to diverge away from one another. e. none of the above