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Question: 

What is the wavelength of the light entering an interferometer if 362 bright fringes are counted when the movable mirror moves 0.125 mm?

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

691 nm

Giancoli 7th Edition, Chapter 24, Problem 57

(0:44)

Chapter 24, Problem 57 is solved.

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