A Man's Face Is 30 Cm in Front of a Concave

question 3

Multiple Choice

A man's face is 30 cm in front of a concave spherical shaving mirror.If the image is erect and 1.5 times as large as his face,what is the radius of curvature of the mirror?

• A) 40 cm
• B) 60 cm
• C) 100 cm
• D) 140 cm
• E) 180 cm

---

Definitions:

Home Tab

The primary or default tab in many software applications, providing quick access to the most commonly used functions and features.

File Tab

In software applications, especially those with a ribbon interface, the tab that opens the file menu or backstage view for managing files and application settings.

Editing Group

A set of tools or options within software that allows users to modify content, such as text or images, to achieve a desired outcome.

Navigation Pane

A user interface component that displays a structured list of items users can navigate to within an application or website.