UBC PHAS Demonstration Room Catalog

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====== Wine Glass Resonance ======

{{tag> Resonance Music Sound untagged unlocated}}

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===== Description =====

Resonance between two wine glasses causes vibrations moving the match stick.    Classes Used: Phys 341, SCIENCE ONE


waves, resonance  

Online Video links:      
[[ http://www.youtube.com/watch?v=93tuLUz2w_8 |  Video 1 ]]  
[[ http://www.youtube.com/watch?v=GIDbtkCSUxY |  Video 2 ]]



===== Purpose =====


To demonstrate that two glasses tuned to the same tone will vibrate together even though only one is played.  



===== Apparatus =====


Two or more glass goblets, water, toothpick or match stick  



===== Setup =====


  * Two glasses are filled with the same amount of water.
  
  * Place the glasses side by side so that at the closest point they are approximately 1cm apart (a little less is even better as long as they do not touch).
  
  * The match stick is balanced along the rim of one of the glasses.
  
  * Wet a fingertip and rub it around the edge of the other glass to create a tone.
  


===== Notes =====



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| **Location** | ---- |
| **Maker** | Unknown |
| **Current State** | Working |
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UBC PHAS Demonstration Room Catalog

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