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Two thin lenses of focal length f(1) and...

Two thin lenses of focal length `f_(1)` and `f_(2)` are in contact and coaxial. The power of the combination is

A

`sqrt(f_(1)/f_(2)`

B

`sqrt(f_(2)/f_(1)`

C

`(f_(1)+f_(2))/2`

D

`(f_(1)+f_(2))/f_(1)f_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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