A microscope has an objective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?
A)20 mm
B)21 mm
C)23 mm
D)33 mm
E)41 mm

Question

Quizplus · Accepted Answer

The Answer of A microscope has an objective lens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far apart are the lenses?
A)20 mm
B)21 mm
C)23 mm
D)33 mm
E)41 mm

A Microscope Has an Objective Lens of Focal Length 1