Saved Bookmarks
| 1. |
The image formed by a convec mirror of focal length 30 cm is a quarter the size of the object what is the distance of the obect from the mirror? |
|
Answer» Solution :F = 0.3, m =`(V)/(U) = (1)/(4) , "" v = (u)/(4) , u = ? ` `(1)/(f) = (1)/(u) + (1)/(v) "" (1)/(0.3) = (1)/(u) + (1)/((u)/(4)) = (1)/(u) + (4)/(u) = (1 + 4 )/(u ) ` u = 1.5 m |
|