A lens behaves as a converging lens in air and as a diverging lens in water. If refractive index...

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A lens behaves as a converging lens in air and as a diverging lens in water. If refractive index of water is \( 1.33 \), the refractive index of the material of the lens will be
(A) Equal to unity
(B) Equal to \( 1.33 \)
(C) Between unity and \( 1.33 \)
(D) Greater than \( 1.33 \)
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