Q200: MNPSC Prelims 2016 GS: Previous Year Question

A stick is immersed in clear water at an angle. When viewed from top the shape of stick would be_______. [Diagram options: each shows a horizontal line (water surface) crossed by a diagonal line representing the stick, with the underwater portion bent relative to the above-water portion — (a) underwater portion bends down more steeply than the above-water portion, meeting at a pronounced angle below the line; (b) underwater portion bends to become nearly parallel with (merging into) the surface line; (c) underwater portion bends down only slightly, close to the original angle; (d) underwater portion bends down much more steeply, crossing back below the surface line at a sharp angle]