L3 - Microscopes

Question 1

What types of microscopes are there?

Answer 1

Optical compound microscope (light)

Transmission electron microscope (TEM)

Scanning electron microscope

Question 2

What is a photomicrograph?

Answer 2

A photograph taken through a microscope

Question 3

What is magnification?

Answer 3

How much bigger the image is than the real object

Question 4

What is resolution?

Answer 4

The ability to distinguish between 2 objects that are close together

Question 5

What is the wavelength of light?

Answer 5

450 - 600 nm

Question 6

What is the wavelength of electrons?

Answer 6

0.005 nm

Question 7

What is the maximum magnification of a light microscope?

Answer 7

X 15,000

Question 8

What is the maximum magnification of a scanning electron microscope?

Answer 8

X 100,000

Question 9

What is the maximum magnification of a transmission electron microscope?

Answer 9

X 500,000

Question 10

What is the resolution of a light microscope?

Answer 10

200 nm

Question 11

What is the resolution of a scanning electron microscope?

Answer 11

Less than 1nm

Question 12

What is the resolution of a transmission electron microscope?

Answer 12

0.5 nm