Immersion oil is necessary when using the 100x objective on a compound light microscope
A)to lubricate the objective.
B)to prevent the slide from scratching the lens.
C)otherwise the image will be fuzzy.
D)otherwise too much light is lost to refraction.
E)otherwise too much light is lost to refraction and the image will be fuzzy.

Question

Quizplus · Accepted Answer

Immersion oil is used with the 100x objective to reduce light refraction which results in a clearer image. Without immersion oil, too much light is lost to refraction and the image becomes fuzzy.

Immersion Oil Is Necessary When Using the 100x Objective on a Compound