An Object Is Placed 15 Cm from a Spherical Concave

question 52

Multiple Choice

An object is placed 15 cm from a spherical concave mirror with a focal length of magnitude 20 cm.If the object is 4.0 cm tall,how tall is the image?

• A)1.0 cm
• B)2.0 cm
• C)8.0 cm
• D)16 cm

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Definitions:

Variable Costs

Expenses that change in proportion to the activity of a business.

Debt-to-Equity Ratio

A financial metric that shows the comparative ratio of equity to debt employed to fund a company's assets.

Return on Equity

A measure of a corporation's profitability, calculated as net income divided by shareholders' equity, indicating how effectively equity is being used.

Return on Assets

A measurement of profitability indicating how efficiently a company uses its assets to generate earnings.