Problem an oil film n125 floats on water and a soap film, Ask an Expert

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Problem: An oil film (n=1.25) floats on water, and a soap film (n=1.333) is suspended in air.

Part A: Find the minimum thickness for each that will result in constructive interference with 500-nm green light?

Please use great detail in explaining the solution. Thanks.

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Category:- Physics
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