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A thin convex lens L (refractive index =...

A thin convex lens L (refractive index =1.5) is placed on a plane mirror M. when a pin is placed at A, such that OA=18 cm, its real inverted image is formed at A itself, as shown in figure. when a liquid of refractive index `mu_(i)` is put between the lens and the mirror, the pin has to be removed to A',. such that OA'=27 cm, to get its inverted real image at A' itself. the value of `mu_(i)` will be
a) `(4)/(3)` b) `(3)/(2)` c) `sqrt(3)` d) `sqrt(2)`

A

`(4)/(3)`

B

`sqrt3`

C

`(3)/(2)`

D

`sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
A
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