microscopy 3.2 part 1

Question 1

what is an instrument that utilizes light and magnifying lenses to examine small objects?

Answer 1

light microscope

Question 2

What are the other parts attached to a microscope?

Answer 2

arm and base

Question 3

this is the platform on which the microscope slides rests with the clamp that secures the slide.

Answer 3

mechanical stage

Question 4

what controls the stage front to back and the slide from side to side?

Answer 4

mechanical stage control knobs

Question 5

what adjusts the intensity of light reaching the specimen under focus?

Answer 5

iris diaphragm

Question 6

what can adjust the iris diaphragm?

Answer 6

the thin, black lever beneath the stage.

Question 7

what should be adjusted to a medium level at the start of viewing?

Answer 7

lamp/illuminator

Question 8

what are the three lens systems utilized in our microscopes?

Answer 8

eyepieces/ocular, the objectives, and the condenser

Question 9

what has a magnification of 10x, and should never be removed from its tubes?`

Answer 9

eyepiece(ocular)

Question 10

what is the magnification of the red objective?

Answer 10

4x

Question 11

what is the magnification of the blue objective?

Answer 11

40x

Question 12

what is the magnification of the yellow objective?

Answer 12

10x

Question 13

what is the magnification of the white/oil immersion objective?

Answer 13

100x

Question 14

what gathers and conducts the light tot he specimen and should always remain at its highest position?

Answer 14

condenser

Question 15

when should coarse adjustment be used?

Answer 15

only with the 4x, 10x objectives.

Question 16

when should fine adjustment be used and never the coarse adjustment?

Answer 16

only with 40x and 100x objectives.

Question 17

what holds the objective lenses?

Answer 17

nosepiece