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Two plano-convex lenses of equal focal l...

Two plano-convex lenses of equal focal lengths are arranged as shown

The ratio of the combined focal lengths is

A

`1:2:1`

B

`1:2:3`

C

`1:1:1`

D

`2:1:2`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-RAY OPTICS AND OPTICAL INSTRUMENTS-ASSIGNMENT (SECTION - A)
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