Quiz 3

Question 1

used after initial focusing to sharpen the image

Answer 1

fine focus knob

Question 2

used to focus the light from the illuminator onto the slide

Answer 2

condenser

Question 3

What happens to the light rays when they hit the specimen?

Answer 3

They are reflected, refracted, or absorbed by the specimen.

Question 4

lens that you look through

Answer 4

ocular lens

Question 5

used for initial focusing; should never be used when the high-power objective lens or oil immersion objective lens is in place

Answer 5

coarse focus knob

Question 6

What is the role of the ocular lens?

Answer 6

to recreate the image in the viewer’s eye

Question 7

controls how much light from the illuminator reaches the specimen

Answer 7

diaphragm

Question 8

lens that is closest to the slide and provides initial magnification of a specimen

Answer 8

objective lens

Question 9

What is meant by light rays being divergent?

Answer 9

It is spreading out

Question 10

platform on which the slide is placed for viewing

Answer 10

stage