Microscopy:

Question 1

What is magnification?

Answer 1

= how many times bigger an image appears under the microscope

Question 2

What is resolution?

Answer 2

= Smallest distance that 2 objects can be apart while appearing as 2 objects.

Question 3

What is a light microscope?

Answer 3

= Uses light and leses to form a image of the specimen.

Question 4

What are the advantages of a light microscope?

Answer 4

=Cheap
=Easy to use
= Study living cells

Question 5

What are the disadvantages of a light microscope?

Answer 5

= Provides 2d imagery
= uses visible light to create images
= poor resolution- limited by the wavelength of light- longer wavelength
=

Question 6

What is an electron microscope?

Answer 6

= Uses electrons and lenses to form an image of the specimen

Question 7

What are the advantages of using a electron microscope?

Answer 7

= 3d imagery
= higher resolution- not limited by the wavelength of light
=

Question 8

What are the disadvantages of using an electron microscope?

Answer 8

= has to be done in a vaccum, dead cell
= needs to be thin
= requires heavy staining