Saved Bookmarks
| 1. |
This question concerna a symmetrical lens shown, along with its two focal points. It is made of plastice with n=1.2 and has focal length f. Four different regions are shown: Here, A. -oox lt -fB.-f lt x lt 0 C. 0 lt x lt fD. f lt x lt oo Q. If incident rays are converging, then in which region does the image appear? |
|
Answer» A `(1)/(F)=(1)/(f_(1))+(1)/(f_(2))=(1)/(f)-(1)/(3F) or F=(3f)/(2)` |
|