Lesson 2 - Microscope

Question 1

Types of Microscope

Answer 1

1. Single lens- 1 lens
2. Compound lens - 2 lenses

a. Light Microscope
-uses light
-magnification= eyepiece x objective

b. Scanning Electron Microscope(SEM)
-scans the surface
-100 000x magnification

c. Transmission Electron Microscope(TEM)
- 500 000x magnification

Question 2

Mechanical Parts of the Microscope

Answer 2

1. Arm
2. Base
3. Coarse Adjustment Knob
   - scanner
   - low powered objective(LPO)
4. Fine Adjustment Knob
   - high powered objective(HPO)
   - oil Immersion Objective(OIO)
5. Stage
6. Stage Clips
7. Revolving Nosepiece

Question 3

Illuminating Parts of the Microscope

Answer 3

1. LIght Source(bulb/mirror)
2. Abe Condenser
   - concentrates the light
3. Iris Diaphragm
   - regulates light

Question 4

Magnifying Parts of the Microscope

Answer 4

1. Eyepiece/Ocular
   - 10x-15x
2. Objectives
   a. Scanner(4-6x)
   b. Low Powered Objective(10x)
   c. High Powered Objective(40-60x)
   d. Oil Immersion Objective(100x)