Chapter 1 : History of radiation Flashcards
1
Q
Who discovered xrays? and when was it discovered
A
Roentgen
nov 8 1895
2
Q
Who discovered the vacuum tube?
A
Heinrich Geissler
3
Q
which phycisist used the vacuum tube to study flourescense
A
Johann Wilhelm hittorf
4
Q
William crookes
A
redesigned the vacuum tube
5
Q
what did philip lenard discover?
A
that cathode rays could penetrate a thin window of alumimum foil built into the walls of the glass tubes and cause the flourescent screens to glow.
6
Q
when was the first radiograph made?
A
1895
7
Q
Who is C edmund Kells
A
first dentist who used radiographs on living patients
8
Q
who developed the first hot cathode xray tube that contained a tungsten filament
A
william D coolidge - 1913
9
Q
which techinique did C edmund kells intrduce in detistry IN 1986 ?
A
PARALLELING TECHNIQUE
