Microscopes and Field of View

Here are the settings on a microscope:
Ocular Lens: 10X
Low Power Objective Lens: 4X
Medium Power Objective Lens: 20X
High Power Objective Lens: 40X
Low Power Field Of View: 3mm
Use this information to figure out how long this bacteria is on high power. 

• 300 micrometers
• 150 micrometers
• 100 micrometers
• 400 micrometers

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 can find total magnification by which of the following methods?

• ocular PLUS objective
• ocular TIMES objective
• ocular MINUS objective
• ocular DIVIDED BY objective

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

• 10x
• 55x
• 65x
• 550x

What is number 14?

• stage clips
• stage
• diaphragm
• light source

What is number 15?

• light source
• base
• coarse adjustment
• fine adjustment

What is number 17?

• body tube
• arm/neck
• stage
• base

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

When looking through your microscope, you move your slide to the right- It appears

• to move to the right
• to stay the same
• to move to the left
• vanish

Tags

NGSS.MS-PS2-2