Reza's Face Is 20 Cm in Front of a Concave

question 62

Multiple Choice

Reza's face is 20 cm in front of a concave shaving mirror having a focal length of magnitude 30 cm.How large is the image of his face?

• A)half as large as his face
• B)of the same size as his face
• C)twice as large as his face
• D)three times as large as his face
• E)four times as large as his face

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Definitions:

Variable Costs

Costs that change in proportion to the level of production or sales volume.

Operating Income

Earnings before interest and taxes, representing a company's profit from its core business operations.

Direct Materials Quantity Variance

The difference between the actual quantity of materials used in production and the expected amount, multiplied by the standard cost per unit.

Data Collected

Information gathered for analysis or used to make decisions, often through observations, experiments, or measurements.