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