There are…….types of electron microscope.
a) one
b) two
c) three
d) four
Electron Microscope
Transmission
electron microscope is used to view of
a) external
b) internal structure
c) general
d) all of these
The magnification power of Transmission electron microscope is…….
a) 10000x
b) 250000x
c) 25000x
d) 100000x
Scanning electron microscope (SEM) is used to view of ….
a) external surface
b) internal structure
c) general
d) all of these
To use Scanning electron microscope (SEM), the surface object is coated with…..
a) plastic
b) metal (gold)
c) non-metal
d) all of these