A Lens Is Used as a Magnifier

question 73

Multiple Choice

A lens is used as a magnifier.Which of the following statements is incorrect?

• A)The lens is convex.
• B)The dioptric power of the lens is positive.
• C)The magnification is greatest when the eye focuses at the near point.
• D)The focal length of the lens must be negative.

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Definitions:

Coupon Rate

The annual interest rate paid on a bond, expressed as a percentage of the face value, to the bondholders.

Face Value

Face value is the nominal value stated on a financial instrument such as a bond or a stock certificate, important in determining its maturity value or dividend payments.

Required Rate

The minimum expected rate of return on an investment, necessary to compensate for the risk taken.

Floating Rate Bond

A type of bond whose interest payments vary with changes in market interest rates, also known as a floater or variable rate bond.