To correct the defect myopia or near sightedness, we have to use |
|||
(a) |
convex lens |
(b) |
concave lens |
(c) |
plane glass |
(d) |
none of the above |
To correct the defect myopia or near sightedness, we have to use |
|||
(a) |
convex lens |
(b) |
concave lens |
(c) |
plane glass |
(d) |
none of the above |