What part of a microscope is responsible for altering the relative distance between the specimen and the objective,thus focusing the final image precisely on the plane of the retina?
A)condenser lens
B)objective lens
C)ocular lens
D)the iris
E)focusing knob

Question

Quizplus · Accepted Answer

The focusing knob is responsible for altering the relative distance between the specimen and the objective, allowing for precise focus on the plane of the retina. The other options listed play important roles in the function of a microscope, but are not directly responsible for adjusting the focus.

What Part of a Microscope Is Responsible for Altering the Relative