When an Object Is Placed 20 Cm from a Diverging

question 9

Multiple Choice

When an object is placed 20 cm from a diverging lens,a reduced image is formed.Which one of the following statements is necessarily true?

• A)The image is inverted.
• B)The image could be real.
• C)The image distance must be greater than 20 cm.
• D)The focal length of the lens may be less than 20 cm.
• E)The refractive power of the lens must be greater than 0.05 diopters.

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Definitions:

Present Value Index

A ratio used in capital budgeting to evaluate the profitability of investments by comparing the present value of future cash flows to the initial investment cost.

Compound Interest

Interest that is computed on both the initial amount of the deposit or loan and on the interest that has been added to that principal over past periods.

Desired Rate of Return

The minimum percentage return an investor expects to achieve by investing in a particular asset.

Present Value

The value today of a sum of money or cash flows expected in the future, discounted at a particular rate of return.