When an Object Is 12 Cm in Front of a Concave

question 1

Multiple Choice

When an object is 12 cm in front of a concave mirror,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:

Structural Unemployment Rate

The long-term and chronic unemployment that exists even when the economy is at its productive best, often due to mismatches between skills and job requirements.

Overall Unemployment Rate

A percentage that represents the portion of the labor force that is not currently employed but is actively seeking employment.

Unemployment Rate

The fraction of job-seeking individuals within the labor force who are currently unemployed.

Labor Force

The total number of people, including both the employed and unemployed, who are actively seeking work.