Problem: An oil film (n=1.45) is floating on water (n=1.33) as shown. The oil film is 280 nm thick. What color in the visible spectrum and the wavelength is strongly reflected by the film?a. 480 nm Blueb. 619 nm redc. 541nm greend. 812 nm infra red

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Problem Details

An oil film (n=1.45) is floating on water (n=1.33) as shown. The oil film is 280 nm thick. What color in the visible spectrum and the wavelength is strongly reflected by the film?

a. 480 nm Blue

b. 619 nm red

c. 541nm green

d. 812 nm infra red

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