https://foxoyo.com/mcq/55163/the-piston-is-taken-completely-out-of-the-cylinder-the-hole-at-the-top-is-sealed-awater-tank-is-brought-below-the-cylinder-and-put-in-a-position-so-that-the-water-surface-in-the-tank-is-at-the-same-level-as-the-top-of-the-cylinder-as-shown-in-the-figure-thedensity-of-the-water-is-in-equilibrium-the-height-h-of-the-water-column-in-thecylinder-satisfies