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A lens has one concave surface of R(1) =...

A lens has one concave surface of `R_(1)` = 2 m and convex surface with `R_(2)` = 3 m then focal length of lens is(if refractive index of the lens is 3/2)

A

12 m

B

`-12 m`

C

24

D

`-6 m`

Text Solution

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The correct Answer is:
B
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MOTION-RAY OPTICS-Exercise-3
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