Konstant
Tähis(ed
Väärtus (SI ühikutes)
Elektromagnetism
Valguse kiirus vaakumis
c
0
≡
c
{\displaystyle c_{\text{0}}\equiv c}
299
792
458
m
s
{\displaystyle 299\,792\,458\;\mathrm {\frac {m}{s}} }
Magnetiline konstant
μ
0
{\displaystyle \mu _{\text{0}}}
1
,
256
637
062
12
(
19
)
×
10
−
6
N
A
2
≈
4
π
⋅
10
−
7
N
A
2
{\displaystyle 1,256\,637\,062\,12(19)\times 10^{-6}{\frac {\mathrm {N} }{\mathrm {A} ^{2}}}\;\approx \;4\,\pi \cdot 10^{-7}{\frac {\mathrm {N} }{\mathrm {A} ^{2}}}}
Elektriline konstant
ε
0
=
1
μ
0
c
2
{\displaystyle \varepsilon _{0}={\frac {1}{\mu _{\text{0}}\,c^{2}}}}
8,854
187
8128
(
13
)
⋅
10
−
12
F
m
≈
10
7
4
π
⋅
299
792
458
2
A
s
V
m
{\displaystyle 8{,}854\ 187\,8128(13)\cdot 10^{-12}\,\mathrm {\frac {F}{m}} \approx {\frac {10^{7}}{4\,\pi \cdot 299\ 792\ 458^{2}}}\,\mathrm {\frac {A\,s}{V\,m}} }
Elementaarlaeng
e
{\displaystyle e}
e
=
1,602
176
634
⋅
10
−
19
C
{\displaystyle e=1{,}602\,176\,634\cdot 10^{-19}\;\mathrm {C} }
Gravitatsioon
Gravitatsioonikonstant
G
{\displaystyle G}
6,674
30
(
15
)
⋅
10
−
11
m
3
k
g
⋅
s
2
{\displaystyle 6{,}674\,30(15)\cdot 10^{-11}\;\mathrm {\frac {m^{3}}{kg\cdot s^{2}}} }
Termodünaamika
Absoluutne nullpunkt
T
0
{\displaystyle T_{\text{0}}}
0
K
=
−
273
,
15
∘
C
{\displaystyle 0\,\mathrm {K} ={-273{,}15\,}^{\circ }\mathrm {C} }
Avogadro arv
N
A
{\displaystyle N_{\text{A}}}
L
{\displaystyle L}
6,022
140
76
⋅
10
23
1
m
o
l
{\displaystyle 6{,}022\;140\;76\cdot 10^{23}\,{\frac {1}{\mathrm {mol} }}}
Boltzmanni konstant
k
B
{\displaystyle k_{\text{B}}}
1,380
649
⋅
10
−
23
J
K
{\displaystyle 1{,}380\,649\cdot 10^{-23}\;\mathrm {\frac {J}{K}} }
Elektronvoltides kraadi kohta:
8,617
333262...
⋅
10
−
5
e
V
K
{\displaystyle 8{,}617\ 333262...\cdot 10^{-5}\,\mathrm {\frac {eV}{K}} }
Stefani-Boltzmanni konstant
σ
=
2
π
5
k
B
4
15
h
3
c
2
{\displaystyle \sigma ={\frac {2\,\pi ^{5}\,k_{\text{B}}^{4}}{15\,h^{3}\,c^{2}}}}
5,670
374
419...
⋅
10
−
8
W
m
2
K
4
{\displaystyle 5{,}670\,374\,419...\cdot 10^{-8}\;\mathrm {\frac {W}{m^{2}\,K^{4}}} }
Universaalne gaasikonstant
R
0
=
N
A
k
B
{\displaystyle R_{\text{0}}=N_{\text{A}}\,k_{\text{B}}}
8,314
462
618...
J
K
⋅
m
o
l
{\displaystyle 8{,}314\,462\,618...\;\mathrm {\frac {J}{K\cdot mol}} }
Osakestefüüsika
Bohri raadius
a
0
=
4
π
ε
0
ℏ
2
e
2
m
e
{\displaystyle a_{\text{0}}={\frac {4\,\pi \,\varepsilon _{0}\,\hbar ^{2}}{e^{2}\,m_{\text{e}}}}}
5,291
772
109
03
(
80
)
⋅
10
−
11
m
{\displaystyle 5{,}291\,772\,109\,03(80)\cdot 10^{-11}\;\mathrm {m} }
Plancki konstant
h
{\displaystyle h}
6,626
070
15
⋅
10
−
34
J
s
{\displaystyle 6{,}626\ 070\ 15\cdot 10^{-34}\,\mathrm {J\,s} }
Elektronvoltides:
4,135
667
662
(
25
)
⋅
10
−
15
e
V
s
{\displaystyle 4{,}135\ 667\ 662\ (25)\cdot 10^{-15}\;\mathrm {eV\,s} }
Elektroni mass
m
e
{\displaystyle m_{e}}
9,109
383
7015
(
28
)
⋅
10
−
31
k
g
{\displaystyle 9{,}109\,383\,7015(28)\cdot 10^{-31}\,\mathrm {kg} }
Elektroni klassikaline raadius
r
e
=
1
4
π
ε
0
e
2
m
e
c
2
=
a
0
a
2
{\displaystyle r_{\text{e}}={\frac {1}{4\,\pi \,\varepsilon _{0}}}\,{\frac {e^{2}}{m_{\text{e}}\,c^{2}}}=a_{0}a^{2}}
2,817
940
3262
(
13
)
⋅
10
−
15
m
{\displaystyle 2{,}817\,940\,3262\ (13)\cdot 10^{-15}\;\mathrm {m} }
Elektroni magnetmoment
μ
e
{\displaystyle \mu _{\text{e}}}
−
9,284
764
7043
(
28
)
⋅
10
−
24
J
T
{\displaystyle -9{,}284\ 764\,7043(28)\cdot 10^{-24}\;\mathrm {\frac {J}{T}} }
Neutroni mass
m
n
{\displaystyle m_{\text{n}}}
1,674
927
498
04
(
95
)
⋅
10
−
27
k
g
{\displaystyle 1{,}674\,927\,498\,04(95)\cdot 10^{-27}\,\mathrm {kg} }
=
1,008
664
915
88
(
49
)
u
{\displaystyle =1{,}008\ 664\ 915\ 88(49)\;\mathrm {u} }
Neutroni magnetmoment
μ
n
{\displaystyle \mu _{\text{n}}}
−
9,662
,
3651
(
23
)
10
−
27
J
T
{\displaystyle -9{,}662\ ,3651(23)\ 10^{-27}\;\mathrm {\frac {J}{T}} }
Prootoni mass
m
p
{\displaystyle m_{\text{p}}}
1,672
621
,
923
69
⋅
10
−
27
k
g
{\displaystyle 1{,}672\,621\ ,923\,69\cdot 10^{-27}\,\mathrm {kg} }
=
1,007
276
466
889
(
91
)
u
{\displaystyle =1{,}007\ 276\ 466\ 889\ (91)\;\mathrm {u} }
Prootoni magnetmoment
μ
p
{\displaystyle \mu _{\text{p}}}
1,410
606
797
36
(
60
)
c
d
o
t
10
−
26
J
T
{\displaystyle 1{,}410\ 606\ 797\,36(60)cdot10^{-26}\;\mathrm {\frac {J}{T}} }
Muud
Faraday konstant
F
=
e
N
A
{\displaystyle F={\frac {e}{N_{\text{A}}}}}
96
485,332
,
12...
C
m
o
l
{\displaystyle 96\ 485{,}332\ ,12...\;\mathrm {\frac {C}{mol}} }
Aatommassiühik
m
u
≡
amu
≡
u
=
1
g
N
A
{\displaystyle m_{\text{u}}\equiv {\text{amu}}\equiv u={\frac {1\,\mathrm {g} }{N_{\text{A}}}}}
1,660
539
066
60
(
50
)
⋅
10
−
27
k
g
{\displaystyle 1{,}660\,539\,066\,60(50)\cdot 10^{-27}\;\mathrm {kg} }
