Which of the following is characteristic of an oil-immersion objective?
A) There is an air space between the specimen under examination and the objective.
B) It is used for specimens that need very high magnification.
C) It has a low-power lens with a magnification factor of 10x.
D) Condensed light passes through the specimen and the air space above the specimen.
E) Combined with the lens in the ocular, it has a total magnification factor of 500x.

Question

Quizplus · Accepted Answer

Oil-immersion objectives are used to achieve very high magnification and resolution by minimizing the refraction of light. This is done by placing oil with a refractive index similar to glass between the specimen and the objective lens, allowing for more detailed observation of the specimen.

Which of the Following Is Characteristic of an Oil-Immersion Objective