|
A lens have power +5 D. This lens will be |
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(a) |
a convex lens of focal length 0.05 m |
(b) |
a concave lens of focal length 0.20 m |
|
(c) |
a convex lens of focal length 0.20 m |
(d) |
a concave lens of focal length 0.05 m |
|
A lens have power +5 D. This lens will be |
|||
|
(a) |
a convex lens of focal length 0.05 m |
(b) |
a concave lens of focal length 0.20 m |
|
(c) |
a convex lens of focal length 0.20 m |
(d) |
a concave lens of focal length 0.05 m |