Incident ray X passes parallel to the principal axis of a concave lens. Incident ray Y passes parallel to the principal axis of a convex lens.
Answer
A
Ray X continues moving in the same direction, and ray Y refracts and passes through the focal point located behind the lens.
B
Both rays refract and move as though they passed through the focal point.
C
Ray X appears as though it passed through the focal point in front of the lens, and ray Y passes through the focal point on the other side of the lens.