The Focal Length of a Magnifying Glass Is 15 Cm

question 97

Multiple Choice

The focal length of a magnifying glass is 15 cm. If the near point of a person is 25 cm, what is the magnification of this glass for this person when his eyes are focused at infinity?

• A) 1.7
• B) 2.7
• C) 3.7
• D) 4.7
• E) 5.7

---

Definitions:

MPC

The marginal propensity to consume, representing the proportion of additional income that an individual will spend on consumption.

Saving

The portion of income not spent on consumption, often put aside for future use or investment.

Disposable Income

The amount of money an individual or household has available to spend or save after income taxes have been deducted.

Disposable Income

Money that becomes available for household savings and expenditures after income taxes are subtracted.