A Microscope Has an Objective Lens of Focal Length 1

question 77

Multiple Choice

A microscope has an objective lens of focal length 1.40 mm and an eyepiece of focal length 20.00 mm. It is adjusted for minimum eyestrain for persons with a near point of 25.0 cm. A blood
Sample is placed 1.50 mm from the objective. How far apart are the lenses?

• A) 23 mm
• B) 21 mm
• C) 41 mm
• D) 20 mm

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Definitions:

Rate of Return

The gain or loss on an investment over a specific period, expressed as a percentage of the investment's initial cost.

Annual Dividend

A yearly payment made by a corporation to its shareholders, often derived from profits.

Dividend Increase

An action taken by a company to raise the dividend amount paid to its shareholders, typically as a sign of strong financial health or increased profitability.