<%@ Language=VBScript %> Таблица основных физических величин Rambler's Top100

Таблица основных физических величин


 

Quantity Symbol Value (with s.d. uncertainty)
speed of light in vacuum c 2.99792458 x 108 m.s-1 (exact)
permeability of a vacuum m0 4p x 10-7 H.m-1
permittivity of a vacuum, 1/m0c2 e0 8.854187817... x 10-12 F.m-1
elementary charge (of proton) e 1.60217733(49) x 10-19 C
gravitational constant G 6.67259(85) x 10-11 N.m2.kg-2
unified atomic mass constant mu 1.6605402(10) x 10-27 kg
rest mass:    
- of electron me 9.1093897(54) x 10-31 kg
  me/mu 5.48579903(13) x 10-4
- of proton mp 1.6726231(10) x 10-27 kg
  mp/mu 1.007276 470(12)
  mp/me 1836.152701(37)
- of neutron mn 1.6749286(10) x 10-27 kg
  mn/mu 1.008664904(14)
energy equivalence of rest mass:    
- of electron, mec2/(e/C)   0.51099906(15) MeV
- of proton, mpc2/(e/C)   938.27231(28) MeV
- of neutron, mnc2/(e/C)   939.56563(28) MeV
Planck constant h 6.6260755(40) x 10-34 J.s
   h/2p h 1.054572 66(63) x 10-34 J.s
Rydberg constant, m02mee4c3/8h3 RҐ 1.0973731534(13) x 107 m-1
fine structure constant, m0e2c/2h a 7.29735308(33) x 10-3
   (m0e2c/2h)-1 a-1 137.0359895(61)
Hartree energy, 2RҐhc Eh 4.3597482(26) x 10-18 J
Bohr radius, h2(pm0c2mee2) a0 5.291772 49(24) x 10-11 m
electron radius, m0e2/(4pme) re 2.81794092(38) x 10-15 m
Compton wavelength:    
- of electron, h/mec lC 2.42631058(22) x 10-12 m
- of proton, h/mpc lC,p 1.32141002(12) x 10-15 m
- of neutron, h/mnc lC,n 1.31959110(12) x 10-15 m
Avogadro constant L, NA 6.0221367(36) x 1023 mol-1
Faraday constant F 9.6485309(29) x 104 C.mol-1
molar gas constant R 8.314510(70) J.K-1.mol-1
Boltzmann constant, R/L k 1.380658(12) x 10-23 J.K-1
Stefan-Boltzmann constant s 5.67051(19) x 10-8 W.m-2.K-4
first radiation constant, 2phc2 c1 3.7417749(22) x 10-16 J.m2.s-1
second radiation constant, hc/k c2 1.438769(12) x 10-2 m.K
Bohr magneton, eh/2me mB 9.2740154(31) x 10-24 J.T-1
nuclear magneton, eh/2mp mN 5.0507866(17) x 10-27 J.T-1
gyromagnetic ratio of proton gp 2.67522128(81) x 108 s-1.T-1
  gp/2p 4.2577469(13) x 107 Hz.T-1
(proton in pure H2O)* g'p 2.67515255(81) x 108 s-1.T-1
  g'p/2p 4.2576375(13) x 107 Hz.T-1
magnetic flux quantum, h/2e F0 2.06783461(61) x 10-15 V.s
magnetic moment of electron me 9.2847701(31) x 10-24 J.T-1
in terms of Bohr magneton me/mB 1.001159652193(10)
magneton magnetic moment of proton mp 1.41060761(47) x 10-26 J.T-1
in terms of Bohr magneton mp/mB 1.521032202(15) x 10-3
  (proton in pure H2O)* mp'/mB 1.520993129(17) x 10-3
in terms of nuclear magneton mp/mN 2.792847386(63)

 

МГУ им. Ломоносова Rambler's Top100 Биологический факультет МГУ