0
0
1
I
Q
LC
g
ℓ
k g
m
ℓ
0
0
2 . 2 .
Q
T LC
I
2
T
g
ℓ
2
2 2
m
T
k g
ℓ
1
2.
f
T

s S t
2 2
a cos(
x A t

Biên âm
2
max
2
0
x A
a ; 0
1
; 0
2
.
t d
dh
hoiphuc
A v
W kA W
F k A
F K A
A
ℓ
ℓ ℓ ℓ
max
2
max
0

W kA W
F k A
F K A
A
ℓ
ℓ ℓ ℓ
0
x
ℓ ℓ ℓ
tocdo
S
v
t
1
2
3
4
2
2 2
0
2
v
S s
2
2 2
2
v
A x
2 2
2

2
d
W mv
2 2
max
1 1
2 2
W KA mv
2
1
2
t
W mgl
2 2 2
0 0
1 1
2 2
W m S mgl
2
T
t
max
2 sin
2
S A
min
2 1 cos
2
S A
2

A A
A A
0
1 2
A A A
2 2
1 2
A A A
2
.cos( )
u A t
2
.cos( )
N
d
u A t
2 2
d d df
v
' 2 ; 2 '; '
2
T
f f TM
N

M


d d d d
u A t
2
2 sin .cos( t)
d
u A
2
L k
2
L k
(2 1)
4
L k
S
1
S
2
2
TT
4
Là vân sáng
d k
(2 1)
2
d k
(2 1)
4
d k
2
2

0 0
E NBS
0
NBS
0
sin( )
E E t
0
cos( )
t
R
L
;
C
;
RLC
u i
R
U
I
R
i
R
u i
;
L
L
L
U
Z L I

2 2 2 2
22
2

U ;
tan ; cos
. .cos .cos .
RLC C
R L RL
RLC L C RL
R L C L C
L C
R
U U
U U U
I
Z R Z Z Z
U U U Z R Z Z
Z Z
R
R Z
UU
P U I I R
Z R
i
Z
C
R
Z
L

R
U
Z R I
R
R
1
, R
2

1
=P
2
I như nhau I
1
=I
2
U
R
như nhau U
R1
=U
R2
như nhau

f
1
, f
2
L
1

f f f
1 2
2
L L
L
1 2
2
L L
C
Z Z
Z
1 2
2
C C
L
Z Z
Z
1
2
3
R max
,
U
Lmax
, U
Cmax;
công
R=0
2 2
R max

max max
2
2
2 2 2
max max max max
max max
0; I
; . ;
.
R
L C
day day L
C C
U
U
r Z Z
P rI U I r Z
U I Z
2
2 2
cos
P
P R
U
1
P P P
H
P P
1 1 2
2 2 1

R Z
Z
Z
max 0
cos
L L
U U
0
min max max max
max max
; ; ; ;
; ;cos 1
R C
RC
Z I U U
U P
2
1 2
tan .tan 1
RL
U
i
a
b
d
c
e
h
2
2

C
Z
L
Z
i
)
2
2
d k
4
(2 1)
4
d k

1 2 1 2
S S S S
k
2 1
d d k
2 1
(2 1)
2
d d k
1 2 1 2
1 1
2 2
S S S S
k
Giao thoa sóng
2 1 2 1

d k
2
2
4
môi trư t này sang môi trư
ánh sáng thay đ , bư c sóng thay đ , không đ
∆D = D
Tím
– D = (n
t
- n
d
)A
(A:radian)
L ( ) .
t d
n n Ad

D
i
a

k=1: vân sáng
N
M
x
x
k
i i
2 1

x k k
a
2 1
(2 1)
2
d d k

1 2 2
2 1 1
k i
k i
1 1 2 2
. .
x k i k i
2 1
2
Strung
trung
L
N
i
N
M
trung trung
x
x
k
i i

Xác đ tương trí xác đ nh (đ

0max
.
W
2
d h
m v
eU
o
hc
A
hc
hf
0
0
2
max
.
2
o
d h
o o
mv
hc hc hc hc
A W eU
2
0max
max
.
W
2

t e
. . =n .
f f f f
hc P
P n n hf n
.
.100% .100%
.
e bh
f
n I
H
n e P
2 11
0 0
. 5,3.10
N
r n r r m
K L M N O …
n 1 2 3 4 5 ….
E
13
= E
12
+ E
23

⇒
f
13

A
Z
X
0 1 1 4
1 1 0 2
: ; : ; : ; ( ):
electron e proton p notron n Heli alpha He
m Zm ( )
p n o
A Z m m
2 2
W . Zm ( ) .
lk p n o
m c A Z m m c
m
W
W
lk
lkr
A
2
1 931,5
uc MeV
Sau 1 chu
(2T)
N
0
m
o
(50%)

T
N N
N
1 2 .100%
t
T
1
2
0
0
1 2
t
T
m m m
m
0
0
1 2
t
T
N N N
N
N
A A
=6,02.10
23

.
A
m

1 2 4
1 2 3 4
AA A A
Z Z Z Z
A B C D
A
1
+ A
2
= A
3
+ A
4
Z
1
+ Z
2
= Z
3
+ Z
4

Chú ý: không
2
2
.
(m ).
( ).
truoc sau
sau truoc

p p p
2
2 2 2
1 2 1 2
2 . .cos
p p p p p