The given diagrams show rays of light passing through
three different objects X, Y and Z. Identify X, Y and Z.
| X | Y | Z | |
| A | Convex lens | Concave lens | Plane mirror |
| B | Plane mirror | Convex lens | Concave lens |
| C | Glass slab | Convex lens | Concave lens |
| D | Glass slab | Concave lens | Convex lens |
The correct answer is C