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The focal length of a convex lens of ref...

The focal length of a convex lens of refractive index 1.5 is f when it is placed in air. When it is immersed in a liquid it behaves as a converging lens and its focal length becoms `xf(x gt1)`. The refractive index of the liquid is

A

`gt3//2`

B

`lt3//2` and `gt1`

C

`lt3//2`

D

`=3//2`

Text Solution

Verified by Experts

The correct Answer is:
B
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