Light microscopes have a...
Poor resolution
High resolution
Electron microscopes have a...
Long wavelength
Short wavelength
Electron microscopes also have a...
Low resolving power
High resolving power
Electrons are..
Negatively charged
Possitively charged
How many types of electron microscope are there?
2
3
Why can't living specimens be examined in a TEM?
Because it's too hot under the microscope
It has to be in a vacuum
The image of a TEM can be...
Only in black and white
In colour
The specimen to use a TEM needs to be..
Thick
Thin
The scanning electron microscope...
Also needs to be extremely thin
Doesn't need to be thin