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1. physics.nist.gov › cuu › pdfFundamental Physical Constants — Extensive Listing

   physics.nist.gov › cuu › pdf

   Fundamental Physical Constants — Extensive Listing. Relative std. Quantity Symbol Value Unit uncert. u. r. UNIVERSAL speed of light in vacuum c;c. 0299792458 m s1(exact) magnetic constant . 04π 107N A2. = 12:566370614::: 107N A2(exact) electric constant 1/ . 0c2 .

2. physics.nist.gov › cuu › pdfFundamental Physical Constants — Extensive Listing

   physics.nist.gov › cuu › pdf

   Fundamental Physical Constants — Extensive Listing Relative std. Quantity Symbol Value Unit uncert. u r UNIVERSAL speed of light in vacuum c 299792458 m s−1 exact vacuum magnetic permeability 4πα¯h/e 2c µ 0 1.25663706127(20) ×10−6 N A−2 1.6 ×10−10 µ 0/(4π×10−7) 0.99999999987(16) N A−2 1.6 ×10−10 vacuum electric ...

3. link.springer.com › content › pdfConstants, Units and Standards - Springer

   link.springer.com › content › pdf

   The fundamental constants are a natural system of units in physics and have increas-ingly been used in practice to provide what is assumed to be an invariant, practical system of standards and units that is sufficiently constant for present-day technology.

4. ocw.mit.edu › 8-01sc-classical-mechanics-fall-2016 › mit8_01scs22_constantsFundamental Physical Constants - MIT OpenCourseWare

   ocw.mit.edu › 8-01sc-classical-mechanics-fall-2016 › mit8_01scs22_constants

   k k G µ 8.854187817 h Fundamental Physical Constants Quantity Symbol Value Avogadro’s number N A 6.02214129(27) × 10 23 / mol Boltzmann’s constant B 1.3806488(13) × 10 −23 J/K Coulomb constant =1/ 4πε

5. www.classe.cornell.edu › ~dms79 › x-raysFundamental Physical Constants — Universal constants

   www.classe.cornell.edu › ~dms79 › x-rays

   Source: Peter J. Mohr and Barry N. Taylor, CODATA Recommended Values of the Fundamental Physical Constants: 1998, Journal of Physical and Chemical Reference Data, Vol. 28, No. 6, 1999 and Reviews of Modern Physics, Vol. 72, No. 2, 2000.

6. pdg.lbl.gov › 2018 › reviews2.Astrophysicalconstants 1 - Particle Data Group

   pdg.lbl.gov › 2018 › reviews

   Astrophysical Constants and Parameters. Table 2.1. Revised October 2017 by D.E. Groom (LBNL) and D. Scott (University of British Columbia). The figures in parentheses after some values give the 1-σ uncertainties in the last digit(s). Physical constants are from Ref. 1.

7. em8e.eecs.umich.edu › pdf › ulaby_constants_and_formulasFUNDAMENTAL PHYSICAL CONSTANTS - University of Michigan

   em8e.eecs.umich.edu › pdf › ulaby_constants_and_formulas

   FUNDAMENTAL PHYSICAL CONSTANTS CONSTANT SYMBOL VALUE speed of light in vacuum c 2.998×108 3×108 m/s gravitational constant G 6.67×10−11 N·m2/kg2 Boltzmann’s constant K 1.38×10−23 J/K elementary charge e 1.60 ×10−19 C permittivity of free space ε0 8.85×10−12 1 36π ×10 −9 F/m permeability of free space μ0 4π ×10−7 H/m electron mass me 9.11×10−31 kg ...