(3rd Quarter) The Compound Microscope

Question 1

Name the three Illuminating Parts

Answer 1

1. Mirrors
2. Condenser
3. Iris Diaphragm

Question 2

Name the four Magnifying Parts

Answer 2

1. Eyepiece/Ocular Lens
2. Objectives
3. Oil Immersion
4. Scanner

Question 3

Name the eleven Mechanical Parts

Answer 3

1. Base
2. Pillar
3. Arm
4. Inclination Joint
5. Stage
6. Substage
7. Body Tube
8. Draw Tube
9. Revolving Nosepiece
10. Dust Shield
11. Adjust Knobs

Question 4

An adjustable part used for collecting and reflecting light

Answer 4

Mirror

Question 5

Concentrates the reflected light from the mirror to the object being examined

Answer 5

Condenser

Question 6

It is used to regulate the intensity of light that enters the condenser

Answer 6

Iris Diaphragm

Question 7

A detachable short cylinder located on top of the draw tube, points specific parts of the specimen

Answer 7

Eyepiece/Ocular

Question 8

Two of these lenses are usually attached to the nosepiece. Its magnifying power is shown at the sides

Answer 8

Objectives

Question 9

A short tube with open large lens and lower magnifying power

Answer 9

Low Power Objective

Question 10

A long tube with a smaller opening and higher magnifying power

Answer 10

High Power Objective

Question 11

The stable structure where the microscope firmly rests

Answer 11

Base

Question 12

Refers to the upward extension of the base where the arm is attached

Answer 12

Pillar

Question 13

The curved handle of the microscope that connects the base and body tube

Answer 13

Arm

Question 14

A movable hinge that is used for tilting or inclining the microscope when necessary

Answer 14

Inclination joint

Question 15

A platform that allows light from below to pass through the specimen

Answer 15

Stage

Question 16

Located below the stage, it holds the condenser above and the iris diaphgram below

Answer 16

Substage

Question 17

A hollow cylinder that attaches the draw tube to the microscope and serves as a passageway for light

Answer 17

Body Tube

Question 18

A small cylinder that holds the ocular

Answer 18

Draw Tube

Question 19

Located at the base of the body tube. It holds and facilates the shifting of objective lenses

Answer 19

Revolving Nosepiece

Question 20

Located above the objective lenses, it keeps the dust from the objective lenses off

Answer 20

Dust Shield

Question 21

Consists of two knobs, used for raising or lowering the body tube

Answer 21

Adjustment knobs

Question 22

A large knob used for faster movement when focusing the LPO

Answer 22

Coarse adjustment knob

Question 23

A small knob for slow or little movement when focusing HPO

Answer 23

Fine adjustment knob

Question 24

What color is the HPO? (High Power Objectives)

Answer 24

Blue

Question 25

What color is the LPO? (Low Power Lenses)

Answer 25

Red

Question 26

What color is the scanner?

Answer 26

Yellow

Question 27

State the three parts of the compound microscope

Answer 27

1. Illuminating Parts
2. Magnifying Parts
3. Mechanical Parts