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Two thin symmetrical lenses of different...

Two thin symmetrical lenses of different nature and of different material have equal radii of curvature `R = 15 cm`. The lenses are put close together and immersed in water `(mu_(w) = (4)/(3))`. The focal length of the system in water is 30 cm. The difference between refractive indices of the two lenses is

A

`1/2`

B

`1/4`

C

`1/3`

D

`3/4`

Text Solution

Verified by Experts

The correct Answer is:
C
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