2A20.10 - Capillary

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Place colored water into the large vessel of the unit.  Observe that the smaller the diameter of the capillary, the higher its level is above the level in the large vessel.  

  • Paul O. Scheie, "The Upward Force on Liquid in a Capillary Tube", AJP, Vo. 57, #3, March 1989, p. 279.
  • D. C. Agrawal, V. J. Menon, "An Experiment on Surface Tension Using a Double Capillary Method", AJP, Vol. 52, #5, May 1984, p. 472.
  • Borislaw Bilash II, “Capillarity“, A Demo A Day – A Year of Physical Science Demonstrations, p. 98.
  • Joseph Frick, "#94 - Capillarity", Physical Technics: Or, Practical Instructions for Making Experiments in Physics and the Construction of Physical Apparatus with the Most Limited Means", p. 106.
  • Capillary Equilibrium Tube Instruction Sheet, Flinn Scientific. 
  • "Tubes for Capillary Attraction", Pike's Illustrated Catalogue of Scientific & Medical Instruments, 1984, p. 143. 

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