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

question 2

Multiple Choice

A coating is being applied to reduce the reflectivity of a pane of glass to light with a wavelength of 522 nm incident near the normal to the pane. If the material has an index of refraction of 1.375, how thick should the coating be?

• A)60 nm
• B)95 nm
• C)145 nm
• D)65 nm
• E)80 nm

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Definitions:

Physical Distribution

All the activities necessary to move products from producers to customers—inventory control, transportation, warehousing, and materials handling.

Transportation

The shipment of products to buyers.

Warehousing

The design and operation of facilities to receive, store, and ship products.

Promotion Mix

The blend of different marketing methods used by a business, such as advertising, sales promotion, public relations, and direct marketing.