Columbia University Physics Lecture Demonstrations


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5G30.20 Paramagnetism of (liquid) oxygen

[Setup Time: 5 Min.] [Current Condition: Good]

Info

A metal container is filled with liquid nitrogen; liquid oxygen condenses on the outside and drips off the bottom and into the gap between the poles of a magnet. The oxygen droplets will get caught and stay in the field.

Please give 2 days notice to secure liquid nitrogen

Parts List

Liquid Nitrogen Container in J. Modern Physics, 1A

Metal Cone in Stand in E. E&M, 1A

Large Black Gap Magnet in E. E&M, 1A

Relevant Simulation

Demo Example:

Other Information

Paramagnetic Oxygen

Real-Life Examples

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More Advanced Reading

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