The Microscope- Lab 1

Question 1

What does the light rheostat knob do?

Answer 1

Adjusts light

Question 2

What does the condenser do?

Answer 2

Focuses light on the specimen

Question 3

What does the iris diaphragm lever do?

Answer 3

Adjusts the light to provide contrast

Question 4

What does the stage do?

Answer 4

Holds specimen

Question 5

What does the stage adjustment knob do?

Answer 5

Adjusts stage

Question 6

What does the arm do?

Answer 6

Part of the two hand hold

Question 7

What do the objective lenses do?

Answer 7

Magnifys the specimen

Question 8

What kind of lens is the 4X?

Answer 8

Scanning lens (Red)

Question 9

What kind of lens is the 10X?

Answer 9

Low dry lens; the bacteria scanning lens (Yellow)

Question 10

What does the base do?

Answer 10

Supports the microscope

Question 11

What kind of lens is the 40X?

Answer 11

High dry lens (Blue)

Question 12

What kind of lens is the 100X?

Answer 12

Oil immersion lens (black/white)

Question 13

What are the ocular lenses?

Answer 13

Magnification of the specimen (10X)

Question 14

What does the coarse & fine focus do?

Answer 14

Focuses the specimen

Question 15

Define total magnification

Answer 15

Objective lens (10X) X Ocular lens

Question 16

Define resolution

Answer 16

The ability to distinguish between objects that are close together.

Question 17

Define contrast

Answer 17

The differences in intensity between 2 objects or between an object & its background