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A 10.0 cm column of air is trapped by a ...

A 10.0 cm column of air is trapped by a column of Hg 4.00 cm long in capillary tube of uniform bore when 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

9.50 cm

B

10.52 cm

C

3.53 cm

D

4.61 cm

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The correct Answer is:
A
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