A Contact Lens Is Made of Plastic with an Index

question 61

Multiple Choice

A contact lens is made of plastic with an index of refraction 1.50.The lens has an outer radius of curvature of +2.0 cm and an innerradius of curvature of +2.5 cm.What is its focal length?

• A)-20 cm
• B)+6.7 cm
• C)+10 cm
• D)+20 cm

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Definitions:

18th-Century Building

Structures built during the 1700s, exhibiting architectural styles such as Baroque, Rococo, Neoclassicism, and reflecting the social, cultural, and technological advancements of the time.

Fischer von Erlach

Johann Bernhard Fischer von Erlach was an Austrian architect, a key representative of the Baroque architectural movement.

Stuart And Revett

British architects known for their detailed studies and drawings of ancient Greek architecture, contributing significantly to the Neoclassical movement.

Ancient Architecture

Architectural practices and structures from historical civilizations before the Middle Ages, often characterized by innovative forms and techniques.