A convex glass lens (mu(g) = 1.5) has a ...

A convex glass lens `(mu_(g) = 1.5)` has a focal length of 8 cm when placed in air. What is the focal length of the lens when it is immersed in water ?
`(mu_(omega) = (4)/(3))`

A

32 cm

B

6 cm

C

16 cm

D

30 cm

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The correct Answer is:

A

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