For a Michelson interferometer, the distances of the two perpendicular mirrors from the beam splitter differ...

For a Michelson interferometer, the distances of the two perpendicular mirrors from the beam splitter differ by 1.7 mm. If the interferometer is equipped by a sodium source having n = 589 nm, (a) what is the order of the central spot?

(b) Is the central spot dark or bright?

(c) For the 1.7-mm separation between the two mirrors, find the angle of inclination of the observed third bright fringe relative to the optical axis.

(d) This interferometer is used to measure the difference in the wavelengths of the closely spaced sodium doublet. Two consecutive interference patterns are observed after the movable mirror is displaced by 0.29 mm. Determine the difference between the two yellow lines of sodium

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genius_generous answered 1 year ago

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