Light microscope cannot distinguish objects smaller than….
a) 0.1 µm
b) 0.2 µm
c) 0.1 mm
d) 0.01 µm
Simple microscope uses lenses……..
a) one
b) two
c) three
d) several
Compound microscope uses lenses…
a) one
b) two
c) three
d) several
Electron microscope uses…..
a) heat
b) a beam of electrons
c) light
d) waves
Which types of lenses are used in electron microscope?
a) optic
b) metallic
c) magnetic
d) none of these
The resolving power of electron microscope is
a) 0.2 µm
b) 0.2 mm
c) 0.2 nm
d) 0.2 pm
