Under which conditions  a convex lens behave as a concave lens and vice versa? How?

Asked by OM mohapatra | 28th Apr, 2014, 08:16: PM

Expert Answer:

A convex lens behaves as a concave lens and vice versa when placed in a liquid of refractive index greater then the refractive index of the lens.
 
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Answered by  | 29th Apr, 2014, 10:33: AM

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