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A convex mirror of focal length f (in ai...

A convex mirror of focal length f (in air) is immersed in water `(mu = 4/3)`. The focal length of the mirror in water will be -

A

`f`

B

`(4/3)f`

C

`(3/4)f`

D

`(7/3)f`

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The correct Answer is:
A
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