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Questions  

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is

a
Equal to unity
b
Equal to 1.33
c
Between unity and 1.33
d
Greater than 1.33

detailed solution

Correct option is C

μair <μiers <μwater  i.e., 1<μeens <1.33

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