A bi-convex lens is split vertically into two equal parts so that two plano-convex lenses are formed. If the focal length of the bi-convex lens be 'f’, then the focal length of each of the plano-convex lenses would be |
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(a) |
f |
(b) |
f/2 |
(c) |
2f |
(d) |
A bi-convex lens is split vertically into two equal parts so that two plano-convex lenses are formed. If the focal length of the bi-convex lens be 'f’, then the focal length of each of the plano-convex lenses would be |
|||||||
(a) |
f |
(b) |
f/2 |
(c) |
2f |
(d) |