A thin slab of material with index ng is between two other materials. The top material has index n₁ and the bottom has index n3. Light with wavelength much greater than the thickness of the middle layer is incident on the top layer. If n₁>n₂>n3, will reflected light from the second and third layer interfere constructively or destructively? O constructive O destructive

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A thin slab of material with index ng is between two other materials. The top material has index n₁
and the bottom has index n3. Light with wavelength much greater than the thickness of the middle
layer is incident on the top layer. If n₁ > n₂>ng, will reflected light from the second and third layer
interfere constructively or destructively?
O constructive
destructive
Transcribed Image Text:A thin slab of material with index ng is between two other materials. The top material has index n₁ and the bottom has index n3. Light with wavelength much greater than the thickness of the middle layer is incident on the top layer. If n₁ > n₂>ng, will reflected light from the second and third layer interfere constructively or destructively? O constructive destructive
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