A Convex Mirror Has a Focal Length of −20 Cm

question 20

Multiple Choice

A convex mirror has a focal length of −20 cm. What is the object distance if the image distance is −10 cm?

• A) 10 cm
• B) 40 cm
• C) 60 cm
• D) 20 cm
• E) 30 cm

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Definitions:

Self-Disclosure

The act of revealing personal information to others which they may not otherwise learn.

Communication

The exchange of information or ideas between individuals or groups, using verbal, non-verbal, written, or electronic means.

Motivation

The process that initiates, guides, and maintains goal-oriented behaviors.

Trust

The confidence in and reliance on the integrity, strength, and ability of a person or concept.