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A cylindrical vessel of height 500 mm has anorifice (small hole) at its bottom. The orifice isinitially closed and water is filled in it up to heightH. Now the top is completely sealed with a capand the orifice at the bottom is opened. Somewater comes out from the orifice and the waterlevel in the vessel becomes steady with heightof water column being 200 mm. Find the fall inheight (in mm) of water level due to opening ofthe orifice.Take atmospheric pressure = 1.0 x 105 N/m,density of water 1000 kg/m' and g 10 m/sNeglect any effect of surface tension](a)5 mm (b)6mm (c)2mm (d) 1 mm |
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