A Michelson interferometer uses light from a sodium lamp.
Chapter 33, Problem 33.56(choose chapter or problem)
A Michelson interferometer uses light from a sodium lamp. Sodium atoms emit light having wavelengths 589.0 nm and 589.6 nm. The interferometer is initially set up with both arms of equal length 1L1 = L22, producing a bright spot at the center of the interference pattern. How far must mirror M2 be moved so that one wavelength has produced one more new maximum than the other wavelength?
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