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Q 10.6 Torricelli's barometer used mercury. Pascal duplicated it using French wine of density 984 kg m-3. Determine the height of the wine column for normal atmospheric pressure.

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Atmospheric pressure is  P=1.01\times 10^{5}Pa

The density of French wine \rho_{w}= 984\ kg\ m^{-3}

Height of the wine column hw would be

\\h_{w}=\frac{P}{\rho _{w}g}\\h_{w}=\frac{1.01\times 10^{5}}{984\times 9.8}\\ h_{w}=10.474m

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