Compound Microscope: the Focal Lengths of the Objective and the Eyepiece

question 8

Multiple Choice

Compound microscope: The focal lengths of the objective and the eyepiece in a microscope are 0.290 cm and 2.50 cm, respectively. An object is placed 0.300 cm from the objective. The image of this object is viewed with the eyepiece adjusted for minimum eyestrain (image at the far point of the eye) for a person with normal vision. What is the distance between the objective and the eyepiece?

• A) 9.85 cm
• B) 10.1 cm
• C) 10.4 cm
• D) 11.2 cm
• E) 11.5 cm

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Definitions:

Future Cash Flows

The projected cash receipts and payments a business expects over a period in the future, important for investment and valuation purposes.

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Profit of a company after all expenses and taxes have been subtracted from total revenue.

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