text: inverted glass tube inserted into open water tank. air trapped in the tube compressed. what is the water level glass tube has 10 cm long 05.mm id inserted into an open water tank with the top end closed to a depth of 2cm where the air trapped inside and compressed.including the surface tension effects, find the water level in the tube. atm pr -100kpa. the density of water is 1000kg/m3. your description of the tube and the depth it is inserted to is unclear.  sorry.