A Concave Mirror Has a Focal Length of 20 Cm

question 40

Multiple Choice

A concave mirror has a focal length of 20 cm. What is the position (in cm) of the object if the image is upright and is two times larger than the object?

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

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Definitions:

Direct Manufacturing Cost

Expenses that are directly attributable to the production of goods, including direct labor and materials costs.

Differential Costs

The difference in total costs between two alternatives, helping in decision-making processes where alternatives are being considered.

Sunk Costs

Costs that have already been incurred and cannot be recovered or altered by future actions.

Sunk Cost

Refers to money that has already been spent and cannot be recovered, which should not influence future business decisions.