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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Definitions:

Tongue Blade

A device, usually made of wood or plastic, used to depress the tongue to examine the mouth and throat.

Oral Airway

An oral airway is a medical device used to keep a patient's airway open, inserted into the mouth to prevent the tongue from covering the epiglottis, which could block air passage.

Flange

An external or internal ridge or rim, often used for strength, guiding, or attachment to another object, such as in piping or the components of an enteral feeding tube.

Angle Of The Jaw

The angular area on either side of the face where the jawbone bends upwards towards the ear.