Why does immersion oil improve resolution?
A) It increases the angle of refraction of the light.
B) It allows light to travel at a uniform speed on its way to the lens.
C) It decreases the working distance.
D) It increases the numerical aperture.
E) It increases numerical aperture and maintains a uniform light speed.

Question

Quizplus · Accepted Answer

Immersion oil increases the numerical aperture and maintains a uniform light speed, which improves resolution.

Why Does Immersion Oil Improve Resolution