Focal length of human eye lens is about |
|||||||
(a) |
2.5 m |
(b) |
2.5 cm |
(c) |
2.5 mm |
(d) |
Focal length of human eye lens is about |
|||||||
(a) |
2.5 m |
(b) |
2.5 cm |
(c) |
2.5 mm |
(d) |