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What would be the height of column in barometer if water ("density" = 1000 Kg//m^(3)) is used instead of mercury for measuring atmospheric pressure?

Answer»

Solution :Density of MERCURY if `13.56 g//cm^(3)` and density of water is `1g//cm^(3)`. Using pascal’s LAW we can SAY `rho_(1)gh_(1)= rho_(2)gh_(2)` which MEANS `13.56 xx (9.8) xx 76 = 1× (9.8)xx h_(2)`. Here, `h_(2) = 1030.56` cm


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