3
Question
A
10.0 cm gas column is trapped by a column of Hg 4 cm long in capillary tube of
uniform bore. The tube is held horizontally in a room at 1 atm. Length of the
air column when the tube is held vertically with the open end up is
A 10.0 cm gas column is trapped by a column of Hg 4 cm long in capillary tube of uniform bore. The tube is held horizontally in a room at 1 atm. Length of the air column when the tube is held vertically with the open end up is
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Solution
The correct option is B 9.95
cm
If
A is the area of cross section of the tube, then
9.95 cm
If A is the area of cross section of the tube, then
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