A light ray entering a positive lens that becomes deflected through the focal point entered the lens..?

Question

a. must have passed through the center of the lens

b. parallel to the horizontal axis

c. must have pass through the focal point on the opposite side of the lens

d. vertically

Answer 1

When you say a positive lens, we mean a converging lens. If it's deflected through the focal point, then b,c are both true, and a,d are incorrect.