Microscopes

Letter G is which part on the microscope?

• Rotating Nosepiece

• Eyepiece

• Objective Lenses

• Arm

If the magnification of the eyepiece is 10x and you are using scanning power, what would be the total magnification?

• 40x

• 100x

• 200x

• 400x

You only use the coarse adjustment under __________.

As the power increases, the magnification becomes​ ​ (a)   but the field of view becomes ​ (b)   .

• larger (increases)
• smaller (decreases)
• larger (decreases)
• smaller (increases)

Label the parts of the microscope.

a

b

c

d

e

f

g

h

Stage

Ocular Lens

Arm

Objective Lenses

Coarse Adjustment Knob

Diaphragm

Fine Adjustment Knob

Light Source

The magnifications of a microscope are usually low power ​ (a)   , medium power ​ (b)   , and high power ​ (c)   .

• 4x
• 10x
• 40x

Which knob on a microscope would you use for exact focusing?

• Coarse Adjustment Knob

• Fine Adustiment Knob

Which part of the microscope is letter C?

• Base

• Stage

• Body Tube

• Arm

Which part of the microscope is Letter K?

• Stage Clips

• Stage

• Base

• Diaphragm

When you are carrying the microscope, one hand should be around the ​ (a)   and the other should be under the ​ (b)   .

• arm
• base
• objective
• body tube
• stage