Using a Microscope

Find the total magnification: 
Eyepiece = 10X 
Objective lens = 55X  

• 10x

• 55x

• 65x

• 550x

The _______focuses the image under low power.

• revolving nosepiece

• fine adjustment knob

• coarse adjustment knob

• arm/neck

What is the field diameter in the field of view shown if each thick grid line is 1.0 mm wide?

• 230 mm

• 0.23 mm

• 2.3 mm

• 23 mm

Which of the following should you do first when you use a microscope?

• place the slide on stage

• use the course adjustment knob to bring the object in to view using the low power objective

• focus the object using the fine adjustment knob

• use the course adjustment knob to bring the object into view using the high power objective

The part of the microscope joining the eyepiece and the objective lens is the 

• handle

• clip

• tube

• stage

The number of objective lens on the microscopes we use is

• 1

• 2

• 3

• 4

The EXTENT (how much) to which a microscope magnifies things

• magnification placebo

• the power of life

• powerball

• magnification power

When would you use the diaphragm?

• When you wanted to move the stage

• When you wanted to adjust the light

• When you wanted to put the microscope away

• When you sneeze

You should always carry the microscope by the

• arm and base

• arm and body tube

• arm only

• the objectives

When looking at a specimen on your slide, you should always start with the

• low objective lens

• medium objective lens

• high objective lens

• super extra high power lens