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Atomic Energy Levels

Video Clips

Discrete Energy Levels

Video RealVideo®
4:44 minutes (0:00 - 4:44)

Classical mechanics fails on small scales; discreteness of orbits, heights, energies.

Prior Knowledge: None
Course: 8.01 Physics I: Classical Mechanics, Fall 1999
Instructor: Prof. Walter Lewin
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Electronic Transitions

Video RealVideo®
6:05 minutes (4:44 - 10:49)

Energy levels in atoms; emission of light from transitions based on difference in energy.

Prior Knowledge: Discrete Energy Levels (beginning of V34)
Course: 8.01 Physics I: Classical Mechanics, Fall 1999
Instructor: Prof. Walter Lewin
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Looking Through Diffraction Gratings

Video RealVideo®
5:44 minutes (10:49 - 16:33)

Demonstration of spectra for helium and neon lamps, with discrete lines observed.

Prior Knowledge: Electronic Transitions (4:44 of V34)
Course: 8.01 Physics I: Classical Mechanics, Fall 1999
Instructor: Prof. Walter Lewin
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