The Distance Between the Object and the Eyepiece of a Compound

question 55

Multiple Choice

The distance between the object and the eyepiece of a compound microscope is 18.0 cm. The focal length of its objective lens is 0.80 cm and the eyepiece has a focal length of 2.3 cm. The near-point distance of the person using the microscope is 25.0 cm. What is the total magnification of the microscope?

• A) -120
• B) -184
• C) -200
• D) -360
• E) -480

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Definitions:

ROA

Return on Assets, a profitability ratio that measures how efficiently a company can manage its assets to produce profit during a period.

Effective Utilization

Effective utilization refers to how efficiently resources, such as labor and equipment, are used to produce goods or services.

EBIT

Earnings before interest and taxes; a measure of a company's profitability that excludes interest and income tax expenses.

Quick Ratios

The quick ratio, also known as the acid-test ratio, measures a company's ability to meet its short-term obligations with its most liquid assets.