Microsopes

Question 1

What are the advantages of a light microscope? 3

Answer 1

Inexpensive, smaller, can use living organisms.

Question 2

Disadvantage of light microscopes? 3

Answer 2

The specimen has to be thin, lower resolution, can’t see internal structures.

Question 3

Advantages of electron microscopes? 2

Answer 3

Higher resolution/ magnification

Question 4

Disadvantage of electron microscopes? 3

Answer 4

Expensive, not portable, can only use dead specimens.

Question 5

Define resolution

Answer 5

The ability to distinguish between to separate points

Question 6

How does the electron microscopes have a higher resolution?

Answer 6

Electrons are fired through the spectate points to a screen and electrons are smaller then light waves so it shows a detailed image.

Question 7

Define magnification

Answer 7

How bigger a microscope causes an object to appear.

Question 8

What can u use laser scanning for?

Answer 8

Human tissue, thicker sample.

Question 9

What are the two electron microscopes?

Answer 9

TEM and SEM

Question 10

Which one of SEM And TEM has a higher resolution? And up to what amount?

Answer 10

TEM. X2miliion magnification

Question 11

What the eq to use when calibrating the microscope

Answer 11

Units on the micrometer
Units x —————————————
Units on the eye piece graticule