For Us to See Interference Phenomena in a Thin Film

question 85

Multiple Choice

For us to see interference phenomena in a thin film,

• A)the incoming light must be monochromatic.
• B)the index of refraction of the thin film must be greater than the index of refraction of the material below it.
• C)the index of refraction of the thin film must be less than the index of refraction of the material below it.
• D)the incoming light must be multicolored.
• E)none of these conditions need exist

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