InterviewSolution
Saved Bookmarks
| 1. |
A lens with a focal length of `16 cm` produces a sharp image of an object in two positions, which are `60 cm` apart. Find the distance from the object to the screen. |
|
Answer» Correct Answer - A::C `f=(d^2-x^2)/(4d)` (displacement method) `f=16 cm,x=60 cm` Substituting the values we get, `d=100cm` |
|