B1.1

Question 1

Define Magnification

Answer 1

How much larger an object appears compared to its actual size

Question 2

Define resolution

Answer 2

How much detail you can see on an image. The smallest distance between two objects in an image that can be seen clearly

Question 3

When were the light microscope and the electron microscope made

Answer 3

Light microscope: mid 17th century
Electron microscope: 1930

Question 4

How do both microscopes form an image?

Answer 4

Light microscope: uses a beam of light
Electron microscope: uses a beam of electrons

Question 5

How much can both microscope magnify up to

Answer 5

Light microscope: 2000x
Electron microscope: 2 million times

Question 6

How expensive are both microscopes

Answer 6

Light microscope: relatively cheap
Electron microscope: expensive

Question 7

What are both microscopes resolving power

Answer 7

Light microscope: 200nm
Electron microscope: up to 0.2nm

Question 8

What are the 2 types of electron microscopes?

Answer 8

Transmission: 2D images- very high resolution and magnification
Scanning: 3D imagines- very high resolution, less magnification than transmission

Question 9

KM ➡️ M

Answer 9

x1000

Question 10

M ➡️ CM

Answer 10

x100

Question 11

CM ➡️ MM

Answer 11

x10

Question 12

MM ➡️ UM

Answer 12

x1000

Question 13

UM ➡️ NM

Answer 13

x1000

Question 14

What is the size of image equation

Answer 14

Size of image= Maginificafion x Size of real object

Question 15

What has the development of the microscope allowed us to do?

Answer 15

View cells in greater detail including sub cellular structures

Question 16

What are the units of measurement used in microscopy?

Answer 16

micrometers