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Combinations of Lenses & Mirrors

A convex lens...

Question

A convex lens made up of glass of refractive index of 1.5 is dipped in turn in a medium of refractive index
(i) 1.65
(ii) 1.33
How will the lens behave in both cases?

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Solution

(i) It will behave as a diverging lens.
(ii) It will behave as a converging lens.

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