An electron microscope is used for seeing very small objects by making them appear bigger.
Electron microscopes use a beam of electrons as their source of illumination.
By using an electron beam as a source of illumination, very small objects appear bigger.
To make very small objects appear bigger, one can use what instead of light for illumination?
A) electricity
B) electron beam
C) by indirect light
D) reflecting light
E) photons
F) Electrical energy
G) heat energy
H) mirrors