A cylindrical tube filled with water w 4 3 is closed at one

Last updated: 6/13/2023

A cylindrical tube filled with water w 4 3 is closed at one end by silvered plano convex lens as shown in figure Refractive index of lens is 2 and radii of curvature is 5 cm A point object is placed somewhere at a point O on the axis of cylindrical tube It is found that the object and image formed by L coincide with each other Then the distance of object from lens L is k cm Then value of kis L