Curved glass lenses _______light.
a. refract
b. bend
c. magnify
d. both a and b

Immersion oil improves resolution by:

a. limiting light refraction.

b. magnifying the specimen.

c. improving specimen contrast.

d. making light waves shorter.

e. making light waves faster.

Assume you are asked to view and draw all samples at a final magnification of 1000x. If the ocular lens is 10x, what objective lens should be in place as you draft your drawings?

A nanometer is _______ than a micrometer.

a. 10 times larger

b. 10 times smaller

c. 1000 times larger

d. 1000 times smaller

Resolution is best described as the ____________.

a. ability to view something that is small

b. ability to magnify a specimen

c. ability to distinguish between two adjacent objects

d. difference between two waves of electromagnetic radiation

Which of the following factors is important in making an image appear larger?

a. thickness of the lens

b. curvature of the lens

c. speed of the light passing through the lens

d. all of the above

Immersion oil ________(increases/decreases) the numerical aperture, which ________(increases/decreases) resolution because _______(more/fewer) light rays are involved.

________ refers to differences in intensity between two objects.

Critique the following definition of magnification given by a student on a microbiology test: “Magnification makes things bigger.”