What Is the Minimum Thickness of a Nonreflecting Film Coating

question 16

Multiple Choice

What is the minimum thickness of a nonreflecting film coating (n = 1.30) on a glass lens (n = 1.50) for wavelength 500 nm?

• A) 250 nm
• B) 221 nm
• C) 192 nm
• D) 167 nm
• E) 96.2 nm

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