What Is the Focal Length of a Magnifying Glass That

question 23

Multiple Choice

What is the focal length of a magnifying glass that produces an angular magnification of 7.0 x when used by a person with a near point at 28 cm?

• A) 2.0 cm
• B) 3.0 cm
• C) 4.0 cm
• D) 5.0 cm
• E) 6.0 cm

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Definitions:

Real Rate of Interest

The real rate of interest is the rate of interest an investor expects to receive after allowing for inflation, reflecting the true earning potential of an investment.

Financial Risk

The risk of experiencing financial loss from an investment or business endeavor.

Insurable Risk

A risk that meets the criteria of an insurance policy, meaning it is possible to calculate both the probability and the potential cost of the risk.

Uninsurable Risk

A risk that is not acceptable for insurance coverage due to its high likelihood of loss.