A uniform capillary tube closed at one end contained dry air trapped by a thread of mercury 8.5×10^2 m long when the tube was held horizontally,the length of the air column was 5.0×10^-2m,when it was held vertically with the closed end downwards the length was 4.5×10^-2m,determine the value of the almospheric pressure (g=10 m per second square,density of mercury 1.36 × 104kgm^-3)?
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Asked by Anah on 2nd August, 2019
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