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Standard IX

Physics

Variation of Atmospheric Pressure with Altitude.

ntA thin tube...

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ntA thin tube of uniform cross section is sealed at both ends. it lies horizontally the middle 5 centimetre containing Mercury and the two ends containing air at the same pressure p when the tube is held at an angle 60 degree with the vertical,the lengths of air column above and below the Mercury are 46 cm and 44.5 CM respectively calculate pressure p in cm of Mercury ( the temp is constant at 30)n ntn

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Q. A thin tube of uniform cross section is sealed at both ends. It lies horizontally, the middle

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Q. A thin tube of uniform cross-section is sealed at both ends. When it lies horizontally, the middle

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A thin tube of uniform cross section is sealed at both ends. It lies horizontally, the middle 5 cm containing mercury and the parts on its two sides containing air at the same pressure P. When the tube is held at an angle of $60^{\circ}$ with the vertical, the length of the air column above and below the mercury pellet are 46cm and 44.5cm respectively. Calculate the pressure P in centimeters of mercury. The temperature of the system is kept at $30^{\circ} C$ .

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