the atom
TRANSCRIPT
Jeevan mc Sullia
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The Atom
Physics is Phun
January 2008
Animation by FlashimationMike Stanfill, Private Hand
2330 Jonesboro, Dallas, TX 75228214-320-2293
www.privatehand.com
c = f λc = speed of light
f = frequency
λ = wavelength
Light as WavesLight as particles –
“photons”
E = h νΕ = photon energyh = Planck/s constantν = photon or light frequency
Boiling Water Electrons in Metal
PhotonsWater Electrons
The Photoelectric Effect
Figure compliments of Kynningarvefur Eðlisfræðiskorar: http://erik.raunvis.hi.is/nam/
1. Nucleus with protons and neutrons
2. Electrons surround nucleus
3. Energy levels and thePeriodic Table of Elements
4. Electron transitions
© 2000 ChemGlobe, [email protected]
1. The Hydrogen Balmer series2. Mercury vapor spectrum3. Cadmium vapor spectrum4. Sodium vapor spectrum5. Molecular Iodine
Fraunhofer Spectrum
1. Fluorescence
2. Phosphorescence “delayed
fluorescence”
� Lasers
2. Neon signs
3. Fluorescent lights
Helium-Neon Laser
HeNe Laser Energy Level Diagram
HeNe Laser and LED Spectra
HeNe Laser RYBLight-Emitting
Diodes
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The EndSee you in March!