Physics > Reflection of Light > 3.0 Basic terminologies of spherical mirrors
Reflection of Light
1.0 Introduction
2.0 Reflection of light
3.0 Basic terminologies of spherical mirrors
3.1 Paraxial approximation
3.2 Spherical mirrors
3.3 Sign convention
3.4 Ray tracing
3.5 Image formation by concave mirror
3.6 Image formation by convex mirror
4.0 Spherical mirror formulae
5.0 Magnification
6.0 Motion of object and image
3.6 Image formation by convex mirror
3.2 Spherical mirrors
3.3 Sign convention
3.4 Ray tracing
3.5 Image formation by concave mirror
3.6 Image formation by convex mirror
| S. No. | Position of object | Ray diagram | Position of Image | Nature of image | Size of image |
| 1. | At infinity |
| At focus $F$ | Virtual and erect | Diminished |
| 2. | Between pole $P$ and infinity |
| Between focus $F$ and pole $P$ | Virtual and erect | Diminished |
Note: Image formed by convex mirror is always virtual, erect and diminished, no matter where the object is.
