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WAEC Physics 2018 Paper

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Question : 27

Total: 50

A simple barometer is constructed using a liquid Q1 of density 16.2g∕cm3. Calculate the least lenth of the tube to be used to measure pressure of 1.5atm. [Density of mercury = 13.6g∕cm3, 1atm = 76.0 cm of Mercury]

1358mm
957mm
760mm
638mm

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