Qstnid -A-12- State The Condition When A Lens Is Called An Equi-convex Or Equi-concave - 05: Refraction Through A Lens - Icse-x-physics

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05: Refraction through a Lens

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#12
State the condition when a lens is called an equi-convex or equi-concave
Ans : 12 A lens is called an equiconvex or equiconcave when radii of curvature of the two surfaces of lens are equal.