1. Apr 28, 2016 #1

   abhinavjeet

   

   For water in a tube wouldn't meniscus formation increase the free surface area of water

    

   abhinavjeet, Apr 28, 2016
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3. Apr 28, 2016 #2

   Simon Bridge

   

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   Compared with the surface without the tube? (Note: a meniscus forms wherever a solid object is dipped into a liquid.)
   Does the adhesion at the contact surface produce a parallel sheer stress? If "yes" then it is not a free surface.
   Would a meniscus form at all without adhesion - i.e. from surface tension alone?
   
   http://www.mne.psu.edu/cimbala/Learning/Fluid/Fluid_Prop/fluid_property.htm

    

   Simon Bridge, Apr 28, 2016

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