Read the questions and select the best answer.
1.
| Assertion (A): | The emergent ray from a rectangular glass slab is parallel to the incident ray. |
| Reason (R): | The two opposite surfaces of a rectangular glass slab are parallel to each other. |
2.
| Assertion (A): | A rectangular glass slab causes lateral displacement of a light ray. |
| Reason (R): | The emergent ray always overlaps exactly with the incident ray. |