A Farsighted Boy Has a near Point at 2

question 54

Multiple Choice

A farsighted boy has a near point at 2.3 m and requires contact lenses to correct his vision to the normal near point.What is the correct choice of lens power for the contact lenses?

• A)-0.28 diopters
• B)+0.28 diopters
• C)-3.6 diopters
• D)+3.6 diopters
• E)+1.8 diopters

---

Definitions:

Consumer Surplus

The difference between the highest amount a consumer is willing to pay and the actual price paid.

Supply Shift

A change in the quantity of a good that suppliers are willing and able to sell at each price, represented by a shift of the supply curve to the left or right.

Producer Surplus

The difference between the amount a producer is willing to accept for a good and the actual amount received from its sale.

Price Ceiling

A legal maximum price that can be charged for a product or service, typically set to protect consumers.