|
To remove short sightedness in eye which lens is used? |
|||
|
(a) |
Cylindrical lens |
(b) |
Bifocal lens |
|
(c) |
Convex lens |
(d) |
Concave lens |
|
To remove short sightedness in eye which lens is used? |
|||
|
(a) |
Cylindrical lens |
(b) |
Bifocal lens |
|
(c) |
Convex lens |
(d) |
Concave lens |