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A vertical cylinder of height 100cm contains air at a constant temperature.The top is closed by a frictionless light piston. The atmospheric pressure is equal to 75cm of mercury.Mercury is slowly poured over the piston.Find the maximum height of the mercury column that can be put on the piston.


A vertical cylinder of height 100cm contains air at a constant
temperature.The top is closed by a frictionless light piston. The
atmospheric pressure is equal to 75cm of mercury.Mercury is slowly
poured over the piston.Find the maximum height of the mercury column
that can be put on the piston.

Grade:12

2 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

let answer=h

100/(100-h)=ρgh, where p is density of mercury

ankitesh gupta
63 Points
9 years ago

 

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