The Focal Lengths of the Objective and Eyepiece in a Compound

question 82

Multiple Choice

The focal lengths of the objective and eyepiece in a compound microscope are 0.8 cm and 2.5 cm, respectively. The image formed by the objective is 16 cm from it and the final image is 25 cm from the eye. What is the total magnification?

• A) -19.0
• B) -11.0
• C) -2.0
• D) -100
• E) -200

---

Definitions:

Average Total Assets

A financial metric calculated by averaging a company's total assets over a certain period, used to measure a company's asset utilization efficiency.

Held-to-maturity Securities

Debt securities that a company intends and is able to hold until they mature.

Equity Securities

Equity Securities are financial assets representing ownership interest in a company, such as stocks, which provide voting rights and potential dividends.

Multinational Corporations

Multinational corporations are large companies that operate commercially in multiple countries, expanding their manufacturing, sales, and services beyond their original borders.