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A cylindrical vessel of height 500mm has an orifice at its bottom .the orifice is initially closed and water is filled in it up to a height h .now the top is completely filled with the cap and orifice at the bottom is opened. Some water comes out from the orifice and water level in the vessel becomes steady with height of water column being 200 mm .find the fall in height of water level due to opening of orifice. Neglect surface tension and take the standard values of atmospheric pressure density of water and gravity due to Earth

Answer» A cylindrical vessel of height 500mm has an orifice at its bottom .the orifice is initially closed and water is filled in it up to a height h .now the top is completely filled with the cap and orifice at the bottom is opened. Some water comes out from the orifice and water level in the vessel becomes steady with height of water column being 200 mm .find the fall in height of water level due to opening of orifice. Neglect surface tension and take the standard values of atmospheric pressure density of water and gravity due to Earth


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