Skip to content / Đến nội dung
ThichHocToan.com

IMSO 2016 Science International - Theory I Question 15

IMSO Science · IMSO 2016 Science International - Theory I

Question 15

The diagram below shows two light rays passing through two lenses (X and Y)

What are X and Y respectively?

Question illustration
  1. Concave lens; Concave lens
  2. Convex lens; Concave lens
  3. Concave lens; Convex lens
  4. Convex lens; Convex lens