CH THE ELECTRON
:
Hydrogen gas s discrete substance of gases at low pressure t high voltage
tubes
s
produces water when burned s
glow
Tube Crooke
of
design what causes the glow
's
?
excited electrons caused by nitting
s
electrons
simplified
:
treions
y
C ot L
e -
c
tube
glass at low pressure
as
} light
due to electrons
CURRent because have e
tions excited
-
you electrons
:
:
low pressure avaid collisions
:
b et charge
negarively charge can looseve cexcess s same charge different mass
)
-res
,
mass
positively charge can not loose tre
thermionic emission C
hearing the cathode is much more effective of freeing electroms
:
-ve)
CATHODE
RAYS
J Thomson
.J.
:
cathode rays have
char a
negative
ge
deflection of cathode rays by
:
electric
fields
-
magneric
, method
CROSSED Fields
:
Flemings left hand ruse
the electron to
go straignt
For
force due to E field =
force due to B field
Ee =
Ber
found
relocity
can be
:
şmu
2=ev
electrons specific charge
:
v
Eez Beirz E
?
e
=
=
m 20
E
B2
w
?
=
z
BZ L
( Erter Ve ZeV L
=E?:
=imv?)
2
B Mc
2
ev
E B <
2
=
?
Mhe
2) Fine beam tube method
:
force
magnetic force provides centriperal
s
elections
moving in a circular path
muz
:
Bel
r
jmrzzev
Ç m
e :
2
V
y Bz
for mula booklet
:
ev
F
=
d
F Bev
=
mu
r =
Be
şmuz
=ev
Millikan method
:
's
Q
=ne
EQ
-mg
laerosals E= -
d
+ Q
w w w w W W w w
d
=mng
F
-
=6TTMrU
GImrv Øa
=F-mg:
terminal
at
relocity
m
4 Tr
=BTTrp
= à
mg=F=
3pg:Ginrr
:
Hydrogen gas s discrete substance of gases at low pressure t high voltage
tubes
s
produces water when burned s
glow
Tube Crooke
of
design what causes the glow
's
?
excited electrons caused by nitting
s
electrons
simplified
:
treions
y
C ot L
e -
c
tube
glass at low pressure
as
} light
due to electrons
CURRent because have e
tions excited
-
you electrons
:
:
low pressure avaid collisions
:
b et charge
negarively charge can looseve cexcess s same charge different mass
)
-res
,
mass
positively charge can not loose tre
thermionic emission C
hearing the cathode is much more effective of freeing electroms
:
-ve)
CATHODE
RAYS
J Thomson
.J.
:
cathode rays have
char a
negative
ge
deflection of cathode rays by
:
electric
fields
-
magneric
, method
CROSSED Fields
:
Flemings left hand ruse
the electron to
go straignt
For
force due to E field =
force due to B field
Ee =
Ber
found
relocity
can be
:
şmu
2=ev
electrons specific charge
:
v
Eez Beirz E
?
e
=
=
m 20
E
B2
w
?
=
z
BZ L
( Erter Ve ZeV L
=E?:
=imv?)
2
B Mc
2
ev
E B <
2
=
?
Mhe
2) Fine beam tube method
:
force
magnetic force provides centriperal
s
elections
moving in a circular path
muz
:
Bel
r
jmrzzev
Ç m
e :
2
V
y Bz
for mula booklet
:
ev
F
=
d
F Bev
=
mu
r =
Be
şmuz
=ev
Millikan method
:
's
Q
=ne
EQ
-mg
laerosals E= -
d
+ Q
w w w w W W w w
d
=mng
F
-
=6TTMrU
GImrv Øa
=F-mg:
terminal
at
relocity
m
4 Tr
=BTTrp
= à
mg=F=
3pg:Ginrr
