the miscroscope

Question 1

Compound Microscopes

Answer 1

The microscopes used in our lab are called
compound microscopes because they have
two magnifying lens

Question 2

The Eyepiece Lens

Answer 2

is the lens that you look through.

Question 3

The objective lens

Answer 3

is the lens that is immediately
above the specimen.

Question 4

There are three objective lenses:

Answer 4

• the scanning lens with the 4X label
• the low power lens with the 10X label
• the high power lens with the 40X label

Question 5

function of lense

Answer 5

Magnification

Question 6

function of Stage

Answer 6

To place the slide on

Question 7

function of Clips

Answer 7

Hold the slide in place

Question 8

function of Diaphragm

Answer 8

To control the amount of light

Question 9

function of Coarse Focus Knob

Answer 9

To focus the image

Question 10

function of Fine Focus Knob

Answer 10

To precisely focus the image

Question 11

function of Light

Answer 11

To supply light to the object

Question 12

Magnification

Answer 12

the magnifying power of the eyepiece lens

x

the magnifying power of the objective lens.

Question 13

course focus

Answer 13

knob allows for
dramatic or large movement of the
objective lens.

Question 14

fine focus

Answer 14

knob allows for very
slight movement of the objective
lens.

Question 15

The stage

Answer 15

has two metal clips to hold
the microscope slide in place.

Question 16

The diaphragm

Answer 16

allows light to be focused onto the specimen through a
hole in the stage.

Question 17

Electron Microscope

Answer 17

• Uses Electrons instead of light

n-Electrons have much lower wavelength
than light

• Resolution is much better
• Magnification is much greater