1.1.5 Microscopy

Question 1

Eyepiece

Answer 1

Part that you look through
Contains x10 lens

Question 2

Course focus

Answer 2

Used when first focusing the sample

Question 3

Fine focus

Answer 3

Used to full focus sample

Question 4

Light

Answer 4

Illuminates the slide, making the specimen visible

Question 5

Objective lens

Answer 5

Can rotate to allow use off x4, x10 or x40 lenses

Question 6

Slide

Answer 6

Where the specimen is mounted

Question 7

Magnification equation

Answer 7

I=A x M

Question 8

EUSAC

Answer 8

Equation
Units
Substitute
Arrange
Calculate

Question 9

Resolution

Answer 9

The ability to distinguish between two separate points
The resolving power off a microscope affects how much detail it can show

Question 10

What did the invention of electron microscope allow scientists to do?

Answer 10

To see smaller structures in cells that they couldn’t see before

Question 11

Two different types of microscope

Answer 11

Light microscope
Electron microscope

Question 12

Two types of elctron microscope

Answer 12

Transmission electron microscope 2D
Scanning electron microscope 3D

Question 13

Advantages of light microscope

Answer 13

Cheaper
Easier to set up
Can view live specimens

Question 14

Disadvantages of light microscope

Answer 14

Lower magnification
Lower resolution
Samples must be thin and transparent

Question 15

Advantages of electron microscope

Answer 15

Higher magnification
Can see 3D
Can see more detail

Question 16

Disadvantage of electron microscope

Answer 16

More expensive
Can’t view in colour
Hard to use