A Surface Is Coated with a Material Having Index of Refraction

question 24

Multiple Choice

A surface is coated with a material having index of refraction 1.50.If light in air has a wavelength of 450 nm and is normally incident on this surface,and it is found through interference effects with this light that the surface is 15 wavelengths thick,which of the following is the thickness of the surface?

• A) 6.8 μm
• B) 1.5 μm
• C) 3.0 μm
• D) 4.5 μm

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Definitions:

Clonazepam

A medication used to prevent and treat seizures, panic disorder, and for the movement disorder known as akathisia.

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DSM-5

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a comprehensive classification of officially recognized psychiatric disorders, published by the American Psychiatric Association.

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