Saved Bookmarks
| 1. |
The focal length of a small concave mirror is 2.5 cm. In the distance of tooth from the mirror should be : (a) 2.5 cm (b) 1.5 cm (c) 4.5 cm (d) 3.5 cm |
|
Answer» The focal length of a small concave mirror is 2.5 cm. In the distance of tooth from the mirror should be : (a) 2.5 cm (b) 1.5 cm (c) 4.5 cm (d) 3.5 cm |
|