A Concave Spherical Mirror Has a Focal Length of 12

question 75

Multiple Choice

A concave spherical mirror has a focal length of 12 cm.If an object is placed 18 cm in front of it the image position is:

• A)7.2 cm behind the mirror
• B)7.2 cm in front of the mirror
• C)36 cm behind the mirror
• D)36 cm in front of the mirror
• E)at infinity

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Definitions:

Marginal Tax Rate

The rate at which an additional dollar of income is taxed, indicating the tax impact on your next dollar earned.

Depreciation

The accounting method of allocating the cost of a tangible or physical asset over its useful life.

Net Investment

The difference between total investments and the depreciation on those investments over a period, representing the increase in value of an asset.

Marginal Tax Rate

The percentage of tax applied to your income for each tax bracket in which you qualify.