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Photoelectric Effect |
7A10.00 Photoelectric
Effect with an 1P39 Phototube Light passes through a colored filter and
onto a photocell. 7A10.10 Discharge a Zinc Plate Light is used to discharge a zinc plate. 7A10.40 Solar cell Run a fan motor from a light source shining onto a solar cell |
|
Compton effect |
7A20.10 Compton Scattering A gamma ray is scattered by the electrons of a material. |
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Semiconductors |
7A30.10 PN
junction An LED is immersed in LN. 7A30.20 Solar Cell Light shines on a solar cell and the energy spins a fan motor 7A30.30 Light on a Semicoductor Change the resistance of a semiconductor with light. |
|
Wave Mechanics |
7A50.10 Barrier Penetration and Tunneling A computer software
simulation of wave mechanics. 7A50.13 STM A Scanning Tunneling Microscope shows atoms. |
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Particle/Wave Duality |
7A55.20 Single Photon Interference Single photons pass through a double slit. |
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X-ray and electron diffraction |
7A60.10 Electron Diffraction Rings or spots are seen by diffraction through a crystal. |
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Condensed Matter |
7A70.50 Superfluid Helium Helium is pumped below to the lamda point. |
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Spectra |
7B10.10 Line
Spectra Emission from He, H2 and Xe tubes are diffracted into lines. 7B10.11 High Pressure Sodium Shows both emission and absorption simultaneously. |
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Fine Structure Splitting |
7B20.10 Zeeman Fine Splitting The diffracted green line from mercury is split by a magnetic field. |
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Electron Properties |
7B35.10 Cathode Ray Tube Deflect an electron beam with a voltage or a
magnet. 7B35.50 Electron Momentum Paddle Wheel An electron beam has momentum to push a paddle wheel. |
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Radioactivity |
7D10.10 Geiger Counter Use a geiger counter with an alpha source. |
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Particle Detectors |
7D30.50 Cloud Chamber Show particle tracks from an alpha source or cosmic rays. |
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NMR |
7D40.br NMR |
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Models of the Nucleus |
7D50.10 Rutherford Scattering A video shows the rutherford experiment. 7D50.40 Rutherford Atom and Thompson Atom A java applet shows the different nuclear models. |
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Special Relativity |
7F10.10 Equivalence Principle Gravity is gone in freefall to allow
small forces to act free. 7F10.35 Special Relativity: Magnet and Coil Move a coil or move a magnet to induce a current. |
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General Relativity |
7F20.20 Precession of the Perihelion of Mercury A short video shows what is meant by the precession of the perihelion of mercury. |
Please e-mail your comments or suggestions to Gerald_Zani@brown.edu