InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
The radius of curvature of a spherical mirror is 20cm what is its focal lenght ? |
|
Answer» Focal length =R/2 =20/2=10cmBut focal leanth also in metre .So, 10/100=0.1m Focal lenght (F) =R/2 = 20cm/2 = 20cm |
|