In the Figure,the Radius of Curvature of the Curved Part

question 163

Multiple Choice

In the figure,the radius of curvature of the curved part of the lens is 35.0 cm,and the refractive index of the lens material is 1.620.What is the focal length of the lens?

• A) +56.5 cm
• B) -56.5 cm
• C) +28.2 cm
• D) +21.6 cm
• E) -21.6 cm

---

Definitions:

Split Layout

A screen or window layout option that divides the display area into separate sections for viewing different types of content simultaneously.

Control Layout

The arrangement of interactive elements or controls within a user interface, determining how they are organized and displayed.

Group Controls

In user interface design, group controls refer to the practice of visually and functionally grouping related controls or elements together.

Error Message

A notification displayed by software to indicate that an operation could not be completed as expected, usually describing the nature of the problem.