Saved Bookmarks
| 1. |
The focal length of a biconvex lens is f. If we cut the lens into two equal pieces as shown in the figure, the focal length of each piece will be ___. |
|
Answer» The focal length of a biconvex lens is f. If we cut the lens into two equal pieces as shown in the figure, the focal length of each piece will be ___. |
|