Light originating in air is normally incident on a thin film of thickness 150nm with index of refraction n₁ = 1.5 that lies on top of a material with index of refraction n2 = 1.2, as illustrated. 72 nAir n1 n2

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Light originating in air is normally incident on a thin film of thickness
150nm with index of refraction n₁ = 1.5 that lies on top of a material
with index of refraction n₂ = 1.2, as illustrated.
nAir
n1
n2
Determine the longest wavelength of light that is maximally reflected.
O 450nm
O 900nm
O 600nm
O 300nm
Transcribed Image Text:Light originating in air is normally incident on a thin film of thickness 150nm with index of refraction n₁ = 1.5 that lies on top of a material with index of refraction n₂ = 1.2, as illustrated. nAir n1 n2 Determine the longest wavelength of light that is maximally reflected. O 450nm O 900nm O 600nm O 300nm
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