Under what condition a convex lens when placed in a medium behaves as an ordinary glass plate?

Asked by akshitajain | 11th Feb, 2010, 09:13: PM

Expert Answer:

Dear student,

A lens works by the difference in refractive index between the material in the lens and the surrounding medium. So a lens put in a medium that has exactly the same refractive index would not be a lens, it would not bend light at all.

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Answered by  | 12th Feb, 2010, 11:20: AM

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