Atomic Energy Levels

 

Discrete Energy Levels

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

Course Material Related to This Topic:

  • Watch video clip from Lecture 34 (0:00 - 4:44)

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Electronic Transitions

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

Course Material Related to This Topic:

  • Watch video clip from Lecture 34 (4:44 - 10:49)

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Looking Through Diffraction Gratings

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

Course Material Related to This Topic:

  • Watch video clip from Lecture 34 (10:49 - 16:33)

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