An equiconvex lens of glass of focal length 0.1 m is cut along a plane perpendicular to principal axis into two equal parts. The ratio of focal length of new lens formed is
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An equiconvex lens of glass of focal length 0.1 m is cut along a plane perpendicular to principal axis into two equal parts. The ratio of focal length of new lens formed is An equiconvex lens of glass of focal length 0.1 m is cut along a plane perpendicular to principal axis into two equal [...]