Question

Point out difference between a convex lens and a concave lens.

Answer 1

| Convex Lens | Concave Lens |
| 1. It is thicker at the centre and thin at the ends. | It is thinner at the centre and thick at the ends. |
| 2. It converges rays of light. | It diverges rays of light. |
| 3. It has a real focus. | It has a virtual focus. |