Solve the following question:
Question: A thin film with index of refraction n = 1.49 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 5.0 bright fringes of the pattern produced by light of wavelength 588 nm,
Question 1: What is the film thickness?
Please keep answer short and simple and please no copy and paste.