A uniform capillary tube closed at one end contained dry air trapped by a thread of Mercury 8.5×10^-2 meters long. When the tube is held horizontally, the length of the air column was 5.0×10^-2 meters. When it was held vertically with the close ends downward the length was 4.5×10^-2. Determine the atmospheric pressure ( g=10, density of mercury 1.36×10^4Kg/m)?
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Asked by Romeo on 2nd September, 2019
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