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A lens behaves as a converging lens in a...

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is (refractive index of water `=1.33`)

A

equal to unity

B

equal to `1.33`

C

between unity and `1.33`

D

greater than `1.33`

Text Solution

Verified by Experts

The correct Answer is:
C

Lens changes its behaviour if `R`.`I`. Of surrounding becomes greater than `R`.`I`. Of lens. `mu_("lens")lt1.33`
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Knowledge Check

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

    A
    equal to 1.33
    B
    equal to unity
    C
    greater than 1.33
    D
    between unity and 1.33
  • 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

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    Equal to unity
    B
    Equal to 1.33
    C
    Between unity and 1.33
    D
    Greater than 1.33
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    A
    greater than refractive index of water
    B
    equal to refractive index of water
    C
    between 1 and refractive index of water
    D
    equal to unity
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