A Microscope Has an Objective Lens of Focal Length 1

question 94

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.The magnitude of the overall magnification is closest to

• A)18.
• B)37.
• C)180.
• D)370.

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