Solving for Mirror Displacement in a Michelson Interferometer

AI Thread Summary
The discussion revolves around calculating the displacement of a mirror in a Michelson interferometer, given that 200 dark fringes move when the mirror is adjusted. The light wavelength is specified as 600nm, and participants note a lack of instruction on this topic in class materials. Suggestions are made to seek help from teachers or classmates for clarification, as the tutor was unable to provide a solution. Links to relevant Wikipedia articles are shared to aid understanding of the interferometer's principles and equations. The consensus is that while the theory may seem complex, the necessary calculations are relatively straightforward.
Ryoblck
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Homework Statement


The distance between the movable mirror and the beam splitter in a Michelson interferometer is increased a small amount. When this happens, you see 200 dark fringes move across the field of view. If the incident light was 600nm, by how much was the mirror moved (in millimeters)?

Homework Equations


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The Attempt at a Solution


My teacher has not taught me anything about Michelson interferometer. It not even in the book! I asked my tutor and he does not know how to solve the problem. He knew about Michelson but he doesn't know how to link it together to solve the problem.
 
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