7 Modern Physics

Phosphor Glow Paper

Catalog: 
7B13.51
Location: 
File
Explore the properties of phosphorescence with this specially coated paper. Glow paper measures 8.5x11 inches.

Paddlewheel - Video

demonstration image
Catalog: 
7B35.50 B
Location: 
3_1
Video Encyclopedia :The commercial Crookes' tube with a paddlewheel.

Luminescence - Video

demonstration image
Catalog: 
7B13.55
Location: 
3_1
Video Encyclopedia :A glow-in-the-dark sword exposed to black light. The covered portion does not glow as brightly.

De Broglie Wavelength and Bohr Orbits

demonstration image
Catalog: 
7A50.32
Location: 
A sinusoidal wave is printed on transparent material that can be wound up. As the radius of the windings gets bigger the waves add constructively (line up) or destructively (not lined up) like the De Broglie wavelengths in the Bohr orbit of the hydrogen atom.

Frank-Hertz effect - Video

demonstration image
Catalog: 
7B30.20
Location: 
3_1
Video Encyclopedia :The curve generated by a commercial tube is shown an an oscilloscope.

Optical Analog of X-ray Diffraction

demonstration image
Catalog: 
7A60.24
Location: 
Ga3
Two diffraction gratings are oriented at right angles and a small lecture laser projects a pattern of dots similar to x-ray diffraction.

Discharge at low pressures - Video

demonstration image
Catalog: 
7B35.10B
Location: 
3_1
Video Encyclopedia :Pump down a long tube while applying a high voltage across the ends.

Laser Diffraction of a Helix

demonstration image
Catalog: 
7A60.930
Location: 
Ga3
The X-ray diffraction pattern of DNA is simulated by the difraction pattern of a laser's light on a coiled filament of a incandescent bulb.

Maltese cross - Video

demonstration image
Catalog: 
7B35.40B
Location: 
3_1
Video Encyclopedia :Show the shadow of a Maltese Cross in an electron discharge tube.

Diffusion Cloud Chamber - large

demonstration image
Catalog: 
7D30.60
Location: 
Ad4
Supersaturated Environments Lecture hall Cloud Chamber

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