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

---

Definitions:

Networks

Collections of computers, servers, mainframes, network devices, peripherals, or other devices connected to one another to allow the sharing of data.

Privilege

A collection of related computer system operations that can be performed by users of the system.

Activity

A specific task, action, or work performed by an individual or group, often contributing to a larger goal or project.

Software Identification

A system or method used to recognize or identify specific software products, often through unique identifiers or serial numbers, to manage licensing and updates.