The Distance Between the Object to Be Viewed and the Eyepiece

question 91

Multiple Choice

The distance between the object to be viewed and the eyepiece of a compound microscope is 25.0 cm. The focal length of its objective lens is 0.200 cm and the eyepiece has a focal length of 2.60 cm.
What is the magnitude of the total magnification of the microscope when used by the person of
Normal eyesight if it is designed for minimum eyestrain?

• A) 477
• B) 1070
• C) 204
• D) 520
• E) 772

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Definitions:

Hyperpolarization

Increase in the charge difference across the plasma membrane; causes the charge difference to move away from 0 mV.

Hypopolarization

Change in the electric charge difference across the plasma membrane that causes the charge difference to be smaller or move closer to 0 mV.

Extracellular

Located or occurring outside a cell or cells.

Aldosterone

A hormone produced by the adrenal glands that regulates sodium and potassium balance in the body, influencing blood pressure and fluid balance.