An oil film (n = 1.48) floating on water (n = 1.33) is illuminated by white light at normal incidence. The film is 274 nm thick. The reflected light will be predominately a single color. Find the wavelength of the dominant visible light among the reflected light. Take the range of visible light to be 400-700 nm. Answer in units of nm.
An oil film (n = 1.48) floating on water (n = 1.33) is illuminated
by white light at normal incidence. The film is 274 nm thick. The reflected light will be predominately a single color. Find the wavelength of the dominant visible light among the reflected light. Take the range of visible light to be 400-700 nm. Answer in units of nm.
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