Decreasing the focal length of the eyepiece in a compound microscope by 50% changes the magnification by what factor?
A) 0.50
B) 1.5
C) 1.7
D) 2.0
E) 4.0

Question

Quizplus · Accepted Answer

The magnification of a compound microscope is given by the product of the magnification of the objective lens and the eyepiece. Therefore, if the focal length of the eyepiece is decreased by 50%, the magnification will increase by a factor of 2. Therefore, the answer is D.

Decreasing the Focal Length of the Eyepiece in a Compound