Fresnel Lenses Are

question 20

Multiple Choice

Fresnel lenses are

• A)made of mirror segments.
• B)made of the surface portions of a regular lens.
• C)found in some auto headlamps and theater lights and rear windows of RVs.
• D)all of the above.

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Definitions:

Higher Productivity

An increase in the efficiency of production, characterized by a greater output of goods and services for the same amount of input.

Economy

The system of production, distribution, and consumption of goods and services in a particular geographic region or country.

Business Cycle Dating Committee

A group of economists that determines the dates of the beginning and end of recessions, marking the business cycle's phases.

Peaks And Troughs

Describes the high and low points in economic, financial, or business cycles, indicating periods of maximum and minimum activity or value.