Microscopes

Question 1

give 3 uses of microscopes

Answer 1

identifying specialised cells eg root hair cell

to see cells in more detail

diagnosing diseases via the blood

Question 2

what are the two types of microscopes

Answer 2

light microscopes

electron microscopes

Question 3

give 3 advantages of using a light microscope

Answer 3

cheaper
easier to transport
easier to use

Question 4

give 2 disadvantages of using a light microscope

Answer 4

2D image

light source needed

Question 5

give 3 advantages of using an electron microscope

Answer 5

higher resolution
can be in colour
higher magnification

Question 6

give 3 disadvantages of using an electron microscope

Answer 6

expensive
hard to use
longer process

Question 7

what is the equation for magnification

Answer 7

size of image
magnification = ———————
size of real object

Question 8

how many metres in a om

Answer 8

1000

Question 9

how many cm in a metre

Answer 9

100

Question 10

how many mm in a cm

Answer 10

10

Question 11

how many micrometers in a mm

Answer 11

1000

Question 12

how many nanometers in a micrometer

Answer 12

1000

Question 13

how do you convert nanometers into mm

Answer 13

times by 1,000,000