An Object Is 12 Cm in Front of a Concave

question 9

Multiple Choice

An object is 12 cm in front of a concave spherical mirror,and the image is 3.0 cm in front of the mirror.What is the focal length of the mirror?

• A)0.25 cm
• B)15 cm
• C)4.0 cm
• D)2.4 cm
• E)1.3 cm

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Definitions:

Sociohistorical Context

The combined social and historical circumstances or background that influence an event, theory, or performance.

Psychological Dependence

A form of dependence that involves emotional-motivational withdrawal symptoms, such as anxiety or cravings, upon cessation of drug use or certain behaviors.

Drug

Any substance that, when ingested, injected, inhaled, or absorbed, has a physiological effect on the body, used for medication or in reference to narcotics.

Withdrawal

The process of reducing or eliminating the use of a habit-forming substance or ceasing engagement in a particular behavior.