A Thin Lens of Focal Length −12

question 29

Multiple Choice

A thin lens of focal length −12.5 cm has a 5.0 cm tall object placed 10 cm in front of it. Where is the image located?

• A) 2.5 cm behind the lens
• B) 5.6 cm behind the lens
• C) 5.6 cm in front of the lens
• D) 50 cm behind the lens
• E) 50 cm in front of the lens

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Definitions:

Long Run

A period in which all factors of production and costs are variable, allowing for full adjustment to changes in economic conditions.

Average Cost

The total cost of production divided by the number of units produced, providing a measure of the cost per unit of output.

Total Costs

The complete sum of all expenses, direct and indirect, incurred in the production of goods or services.

Average-Fixed-Cost Curve

A graph that shows the average fixed costs of production at different levels of output.