Thursday, April 29, 2010

Relativity Notes

Michelson-Morley Experiment:
  • The purpose of the experiment was to determine the nature of light, and whether there was an aether.
  • A change in the interference pattern was expected.
  • No change in the interference pattern was actually observed.
  • The speed of light along the path from mirror M1 to the semi-transparent mirror is c - v, when c is the speed of light and v is the orbital speed of Earth.

The proper time of something in a frame of reference is the time measured from within that frame of reference.

Remember that you can relate mass to energy using E = mc^2

Also remember:
  • v = f λ
  • c = f λ
  • f = c/λ
  • Eγ = hf = hc/λ

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