A Compound Microscope Has an Objective with a Focal Length

question 88

Multiple Choice

A compound microscope has an objective with a focal length of 3.00 mm and an eyepiece of focal length 6.00 cm.It is adjusted for minimum eyestrain for persons with a near point of 25 cm.If the two lenses are separated by 40.0 cm,what is the total overall magnification?

• A)28
• B)56
• C)470
• D)550
• E)2200

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