When a Person Stands 40 Cm in Front of a Cosmetic

question 118

Multiple Choice

When a person stands 40 cm in front of a cosmetic (concave) spherical mirror,the upright image is twice the size of the object.What is the focal length of the mirror?

• A)27 cm
• B)40 cm
• C)80 cm
• D)160 cm

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Definitions:

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Cognitive Model

A framework in psychology that explains mental processes as the interactions of thoughts, emotions, and behaviors.

Latane and Darley

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