The Use of Oil with Certain High-Power Objective Lenses Increases

Question

The use of oil with certain high-power objective lenses increases
A) magnification.
B) reflection.
C) resolution.
D) contrast.
E) color.

Accepted Answer

The use of oil with high-power objective lenses increases resolution, or the ability to distinguish between two closely spaced objects. The oil improves the numerical aperture of the lens, allowing for better resolution.