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Monochromatic light of wavelength, lambda, is traveling in air. The light then strikes a thin film having an index of refraction, n1 that is coating a material having an index of refraction n2. If n1 is larger than n2, what minumim film thickness will result in minimum reflection of this light?

A. lambda/(4*n2)

B. lambda/n2

C. lambda/4

D. lambda(2*n1)

E. lambda

F. lambda/(2*n2)

G. lambda/n1

H. lambda/(4n1)

I. lambda/2

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