A Film of Index of Refraction N₁ Coats a Surface

question 20

Multiple Choice

A film of index of refraction n₁ coats a surface with index of refraction n₂. When n₁ < n₂, the condition for constructive interference for reflected monochromatic light of wavelength λ in air is

• A) .
• B) .
• C) .
• D) .
• E) .

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