microscopes

Cards (13)

how many types of microscopes are there that you need to know?
two / 2
What are the names of the microscopes?
light microscope and electron microscopes
Why are microscopes useful?
For magnification.
What is an advantage of using a light microscope?
It allows you to observe living cells.
What is a disadvantage of using light microscopes?
It has limited magnification and resolution.
What is the standard resolution for a light microscope?
200nm
What is an advantage of an electron microscope?
It has a much greater magnification and resolution than light microscopes.
What is resolution?
The ability to distinguish between two separate objects
What does the fine knob do?
It increases resolution.
What does the coarse knob do?
It moves the objective lense up or down.
what is the formula for magnification?
Magnification = image size / Actual size
How do you get from millimeters to micrometers?
x1000
How do you get from micrometers to nanometers?
x1000