Saved Bookmarks
| 1. |
If R is the radius of curvature of a spherical mirror and f is its focal length, then : (a) R = f (b) R=2f (c) R=f2 (d) R=3f |
|
Answer» If R is the radius of curvature of a spherical mirror and f is its focal length, then : (a) R = f (b) R=2f (c) R=f2 (d) R=3f |
|