Consider the following pairs in respect of a concave mirror.
| S. No | Position of the object | Size of the image |
| 1. | at infinity | highly diminished |
| 2. | at focus | diminished |
| 3. | at curvature | same size |
Which among the above pairs is/are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
All are correct