What is the minimum thickness of the oil film

Reference no: EM13486553

A thin film of oil (n=1.24) is laying on a flat piece of glass (n=1.83). When viewed through air normal to the oil film, constructive interference produces a band with a bright blue color (wavelength= 505 nm).

a) What is the phase shift or phase change (in degrees or in fractions of a wavelength-specify air or film) for the reflected light off the air-oil surface?

b) What is the phase shift or phase change (in degrees or in fractions of a wavelength-specify air or film) for the reflected light off the oil-glass interface?

c) What is the minimum thickness of the oil film in nm?

Reference no: EM13486553

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