Immersion oil should be used with all lenses.

• True

• False

When switching to the 100X lens, what should you use?

• few drops of immersion oil

• low light intensity

• wet cloth to clean the lens for clarity

• use it with a 15X eyepiece only

A 100X lens is also known as _________.

• scanning lens

• low power lens

• high power lens

• immersion oil lens

When cleaning immersion oil from a 100X lens, what should be used?

• damp, soft cloth

• tissue paper

• dry paper towel

• specialized lens paper

For a total magnification of 150X, what eyepiece and objective would be used?

• 5X eyepiece with a 25X objective

• 10X eyepiece with a 10X objective

• 15X eyepiece with a 10X objective

• 15X eyepiece with a 100X objective

For a total magnification of 1500X, what eyepiece and objective would be used?

• 10X eyepiece with a 40X objective

• 15X eyepiece with a 100X objective

• 5X eyepiece with a 100X objective

• 10X eyepiece with a 100X objective

For a total magnification of 20X, what eyepiece and objective would be used?

• 10X eyepiece with a 20X objective

• 10X eyepiece with a 10X objective

• 5X eyepiece with a 25X objective

• 5X eyepiece with a 4X objective

Calculate the following total magnification: 10X eyepiece with a 10X objective.

• 100X total magnification

• 1000X total magnification

• 10X total magnification

• 20X total magnification

Calculate the following total magnification: 5X eyepiece with a 10X objective.

• 50X total magnification

• 5X total magnification

• 100X total magnification

• 15X total magnification

A microscope is an instrument that _______________

• makes faraway objects look closer.

• makes small objects appear larger.

• decreases the size of small objects.

• increases the size of small objects.