When Using 529-Nm Light,how Far Is the Adjustable Mirror of a Michelson

question 2

Multiple Choice

When using 529-nm light,how far is the adjustable mirror of a Michelson interferometer moved when 600 fringe shifts are counted? A fringe shift occurs when the intensity goes from bright to dark or when it goes from dark to bright.

• A) 1.58 × 10^-4 m
• B) 7.94 × 10^-5 m
• C) 9.90 × 10^-6 m
• D) 3.97 × 10^-5 m

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