Microscope Review

Identify the parts of the microscope.

a

b

c

d

e

f

g

stage clips

diaphragm

light source

stage

eyepiece

coarse adjustment knob

low power objective lens

medium power objective lens

high power objective lens

fine adjustment knob

Identify the parts of the microscope.

a

b

c

d

e

f

g

nose piece

arm

eyepiece

stage clips

objective lens

base

fine adjustment knob

stage

body tube

diaphragm

How do you calculate total magnification on a compound light microscope?

​ (a)   ​ x ​ ​ (b)   = ​ ​ (c)  

• total magnification
• objective lens
• eyepiece
• diaphragm
• nose piece

​ Simon was viewing a specimen on his microscope on low power. What was his total magnification?

Show the calculation...

​ (a)   x ​ (b)   = ​ (c)  

• 4
• 10
• 40
• 100

What is the magnification power of the medium power objective lens?

• 4x

• 10x

• 40x

• 100x

What is the magnification power of the low power objective lens?

• 4x

• 10x

• 40x

• 100x

What is the magnification power of the high power objective lens?

• 4x

• 10x

• 40x

• 100x

The low power is 5x, medium power is 10x, high power is 20x and the eye piece is 4x. What is the total magnification under medium power?

• 39x

• 14x

• 80x

• 40x

• 9x

If a biologist uses a microscope with an eyepiece of 10x magnification and an objective lens of 5x, what is the total magnification observed?

This photo of yeast was taken through a microscope with a 10x ocular lens and a 100x objective lens. What is the Total Magnification?