Fizik konstantalar tabiat qonunlari yoki moddalar hususiyatlarini ifodalovchi tenglamalar tarkibiga kiruvchi son qiymatlaridir. Fizik konstantalar kuzatilayotgan jarayon yoki moddaning nazariy modellarining matematik tenglamalariga mos keluvchi universial son qiymatlari tarzida ifodalanadi.
Doimiy Kattalik nomi |
Simvoli |
Son qiymati |
birlik |
izoh |
Yoruglik tezligi (vakuumda) |
c |
2.99792458 |
km/s |
|
Elektron zaryadi (elementar zaryad) |
e |
1.602189210-19 |
kl |
|
|
|
4.80324210-19 |
kl |
|
Plank doimiysi |
h |
6.62617610-34 |
Js |
|
Dirak doimiysi h=h/2? |
h |
1.054572 10-34 |
Js |
|
Avogadro soni (doimiysi) |
L, NA |
6.0220451023 |
Mol-1 |
|
Massaning atom birligi |
m.a.b. |
1.660565510-27 |
kg |
|
Elektron massasi |
me |
9.10953410-31 |
kg |
|
|
|
5.485802610-4 |
m.a.b. |
|
Proton massasi |
mp |
1.672648510-27 |
kg |
|
|
|
1.00727647 |
m.a.b. |
|
Neytron massasi |
mn |
1.674954310-27 |
kg |
|
|
|
1.00866501 |
m.a.b. |
|
Proton massasining electron massasiga nisbati |
mp/me |
1836.15152 |
1 |
|
Elektron zaryadining uning massasiga nisbati |
e/me |
1.75880471011 |
kl/kg-1 |
|
Faradey soni |
F |
9.648456104 |
kl/mol-1 |
|
Ridberg doimiysi |
R? |
1.097373107 |
m-1 |
|
Bor radiusi |
a0 |
5.29177110-11 |
m |
|
Elektron radiusi |
re |
2.81793810-15 |
m |
|
Bor magnetoni |
?B |
9.27407810-24 |
JT-1 |
|
Elektronning magnit moment |
?e |
9.28483210-24 |
JT-1 |
|
Kompton elektron tolqini uzunligi |
?e |
2.426308910-12 |
m |
|
Kompton proton tolqini uzunligi |
?p |
1.321409910-15 |
m |
|
Kompton neytron tolqini uzunligi |
?n |
1.319590910-15 |
m |
|
Molyar gaz doimiysi |
R |
8.31441 |
J.K-1.mol-1 |
|
Boltsman doimiysi |
k |
1.38066210-23 |
J.K-1 |
|
Stefan-Boltsman doimiysi |
? |
5.6705110-8 |
Vtm-2.K-4 |
|
Vin doimiysi |
b, C |
0.28978210-2 |
m?K |
|
Loshmidt doimiysi |
n0, NL,L0 |
2.687191025 |
m-3 |
|
Gravitatsiya doimiysi |
G |
6.67259 10-11 |
N.m2.kg-2 |
|
Me'yoriy Erkin tushish tezlanishi |
gn |
9.80665 |
m/sek |
|
Me'yoriy atmosfera bosimi |
patm |
101325 |
Pa |
|
Havodagi tovush tezligi |
c |
331.46 |
m/sek |
|
Magnit doimiysi |
?o |
12.566370614410-7 |
Gm-1 |
|
Elektr doimiysi |
?0 |
8.85418810-7 |
Fm-1 |
|
?-zarra zaryadi |
q |
3.20410-19 |
kl |
|
Mutlaq nol harorat |
t |
-273.15 |
oC |
|
Suvning uchlanma nuqtasi harorati |
T0 |
273.16 |
K |
|
Hartri energiyasi |
Eh |
4,359 743 94?10-18 |
J | |
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