A Concave Mirror Has a Radius of 2

question 21

Multiple Choice

A concave mirror has a radius of 2.0 m. What is the refractive power of a lens of the same focal length as the mirror?

• A) 0.50 D
• B) 1.0 D
• C) 2.0 D
• D) 0.75 D
• E) −0.50 D

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Definitions:

Compounded Quarterly

The process of calculating interest on both the initial principal and accrued interest from previous periods on a quarterly basis.

Present Value

The present value of a future amount of money or series of cash inflows, based on a certain rate of return.

Quarterly Payments

Payments that are made four times a year, typically related to dividends, loans, or lease agreements.

Amortization Schedule

A schedule of payments; the schedule shows the amount of interest and the amount of principal in each payment.