A Concave Mirror Has a Focal Length of 20 Cm

question 23

Multiple Choice

A concave mirror has a focal length of 20 cm. What is the magnification if the object's distance is 100 cm?

• A) 1/2
• B) 1/4
• C) −2
• D) 4
• E) −1/4

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Definitions:

Consideration Skills

The ability to show thoughtfulness and care towards others' feelings, needs, and circumstances within interpersonal interactions.

First-Line Supervisor

A managerial position that serves as the initial level of management, directly overseeing and managing the work of entry-level or operational employees.

Productivity

The measure of efficiency of a person, machine, factory, or system in converting inputs into useful outputs.

High-Performing

Describes individuals, teams, or organizations that consistently achieve outstanding results relative to their peers or objectives.