A Convex Lens Has a Focal Length F

question 26

Multiple Choice

A convex lens has a focal length f. An object is placed between f and 2f on the axis. The image formed is located

• A)at 2f.
• B)between f and 2f.
• C)at f.
• D)between the lens and f.
• E)at a distance greater than 2f from the lens.

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Definitions:

Interest Rate

Fees assessed by a lending party on a borrowing party for asset usage, expressed in terms of the principal's percentage.

Rule of 70

A rule that estimates the number of years required to double an investment or population at a fixed annual growth rate, by dividing 70 by the percentage growth rate.

Annual Interest

The amount of interest earned or paid over a one-year period on investments, loans, or savings.

Rule of 70

A formula used to estimate the number of years required for an investment or population to double, given a fixed annual growth rate.