Énoncé - Physique
TD3 : Physique quantique
Exercice 1
En=E1
n2n∈N∗ E1=−13 .6
En6=1 E1
E1
λ
1
λ=R1
n02−
1
n2
R hc E1R R
E2
E1
h= 6 .63 ×10−34 c= 3 ×108−1 ×10−19
Exercice 2
λ= 633
r= 1
3
Exercice 3
λ= 585
α= 10◦
P=
α
d
d= 1 −2
I=, U=,
P=U×I P U
qe=,×−
−1
Exercice 4
λ
r E= 1 .11
λ2= 550
Exercice 5
f= 100
Exercice 6
h=, ×− me=, ×−
Exercice 7
m −q
r q
v=s1
4πε0
q2
mr E=−q2
8πε0r
ε0
r
~v
λe r hε0m q
n rn
En rn En
E1
cf
1
λ=R1
n02−
1
n2
R
R E1 m= 9 .1×10−31 q= 1 .6×10−19 ε0'8.85 ×
10−12 −1−324h= 6 .6×10−34 c= 3 .0×108
E v
Exercice 8
mn= 1 .67 ×10−27
• T0= 300
• Tc= 2000
• T f = 25
T Ec=3
2kBT
kB= 1 .38 ×10−23 −1
1
/
2
100%
