Question

Two thin plano-convex lenses each of focal length fare placed as shown in the figure!
ratio of their effective focal lengths in the three cases is
D
O N
D
(11)
(iii)
J1:2:1
b) 1:1:1
c) 3:2:1
microscope is having chiective of focal length 1 cm and
d) 1:2:3
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Answer 1

Explanation:

Please give figure to solve the problem.

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