A thread of mercury of length 15cm is used to trap some air in a capillary tube with uniform cross-sectional area are closed at one end .with the vertical and the open end uppermost, the length of the trapped air column is 20cm. Calculate the length of the air column, when the tube is held(I) horizontally (Ii) vertically with the open end underneath.
(Atmospheric pressure=76cm of mercury)?
In Mathematics
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Asked by Vivian on 23rd November, 2022
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