Saved Bookmarks
| 1. |
(a) Define (i) principal focus of a concave mirror, and (ii) focal length of a concave mirror. (b) Draw diagram to represent the action of a concave mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P and focal length f, of the concave mirror. |
|
Answer» (a) Define (i) principal focus of a concave mirror, and (ii) focal length of a concave mirror. (b) Draw diagram to represent the action of a concave mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P and focal length f, of the concave mirror. |
|