Q-A glass tube of 2.5 mm internal diameter is immersed in oil of mass density 940 kg/m³ to a depth of 9 mm. If a pressure of 148 N/m² is needed to from a bubble which is just released. What is the surface tension of the oil?

Fundamentals of Geotechnical Engineering (MindTap Course List)
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ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
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Chapter6: Hydraulic Conductivity
Section: Chapter Questions
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Q- A glass tube of 2.5 mm internal diameter is immersed in oil of mass
density 940 kg/m³ to a depth of 9 mm. If a pressure of 148 N/m² is
needed to from a bubble which is just released. What is the surface tension
of the oil?
Transcribed Image Text:Q- A glass tube of 2.5 mm internal diameter is immersed in oil of mass density 940 kg/m³ to a depth of 9 mm. If a pressure of 148 N/m² is needed to from a bubble which is just released. What is the surface tension of the oil?
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