A Coating Is Being Applied to Reduce the Reflectivity of a Pane

question 10

Multiple Choice

A coating is being applied to reduce the reflectivity of a pane of glass to light with a frequency of 5.75 × 10¹⁴ Hz that is incident normally on the pane.If the material has an index of refraction of 1.375 and the glass has an index of refraction of 1.537,what is the minimum thickness the coating should have? (c = 3.00 × 10⁸ m/s)

• A) 60.0 nm
• B) 94.9 nm
• C) 145 nm
• D) 65.2 nm
• E) 80.1 nm

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