UBC PHAS Demonstration Room Catalog

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====== Capillary Tubes ======

{{tag> fluid_mechanics surface_tension located}}

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{{IMG_2220.jpg?400|}}

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===== Description =====

A series of glass tubes with different internal diameters, all connected by a bigger glass tube at the bottom. Comes with a plastic stand.

===== Purpose =====

To show capillary action in narrow tubes and to show that the rise is greatest for the smallest diameter tube for water.    

===== Apparatus =====

  * Capillary apparatus
  * Dyed water

===== Setup =====

Fill apparatus as shown with coloured water, and set up a close-up camera (if necessary) to closely compare the height of each column of water. Pascals principle dictates that the water should be level in each tube, but the capillary effect causes a visible deviation from this. 

===== Notes =====



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<WRAP half column>

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<WRAP half column>

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<WRAP box>
<WRAP centeralign> // Demo room information // 
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<WRAP tablewidth 100%>
| **Location** | C4 |
| **Maker** | Unknown |
| **Current State** | Working |
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</WRAP>

UBC PHAS Demonstration Room Catalog

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