modern_physics_for_scientists_and_engineers_-_4e

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1、ThispageintentionallyleftblankFundamentalConstantsQuantitySymbolValue(s)Elementarychargee1.60221019CSpeedoflightinvacuumc2.9979108m/sPermeabilityofvacuum(magneticconstant)m4p107NA20Permittivityofvacuum(electricconstant)P8.85421012Fm10GravitationconstantG6.67381011Nm2kg2Pl

2、anckconstanth6.62611034Js4.13571015eVsAvogadroconstantN6.02211023mol1ABoltzmannconstantk1.38071023JK1Stefan-Boltzmannconstants5.6704108Wm2K4Atomicmassunitu1.660538861027kg931.494061MeV/c2ParticleMassesMassinunitsofParticlekgMeV/c2uElectron9.109410310.511005.485810

3、4Muon1.88351028105.660.11343Proton1.67261027938.271.00728Neutron1.67491027939.571.00866Deuteron3.343610271875.612.01355aparticle6.644710273727.384.00151ConversionFactors1y3.156107s1T104G1lightyear9.4611015m1Ci3.71010Bq1cal4.186J1barn1028m21MeV/c5.3441022kgm/s1u1.

4、660541027kg1eV1.60221019J03721_ES-SE_EP1-EP4.inddEP29/27/1112:00PMUsefulCombinationsofConstantsUh/2p1.05461034Js6.58211016eVshc1.98641025Jm1239.8eVnmUc3.16151026Jm197.33eVnm18.9876109N#m2#C24pP0h12Comptonwavelengthlc2.426310mmec2e2892.307110J#m1.4400

5、10eV#m4pP02e1Finestructureconstanta0.00729744pP0Uc137eU245BohrmagnetonmB9.274010J/T5.788410eV/T2meeU27NuclearmagnetonmN5.050810J/T2mp83.152510eV/T24pP0U11Bohrradiusa025.291810mmee2e18HydrogengroundstateE013.606eV2.179910J8pP0a02amec71RydbergconstantRq1.09737

6、10m2hm71HydrogenRydbergRHRq1.0967810mmeGasconstantRNk8.3145Jmol1K1Ah152Magneticfluxquantum£02.067810T#m2eClassicalelectronradiusra2a2.81791015me012kT2.524910eVeVatT293K40Note:ThelatestvaluesofthefundamentalconstantscanbefoundattheNationalInstituteofStandardsandTech

7、nologywebsiteathttp://physics.nist.gov/cuu/Constants03721_ES-SE_EP1-EP4.inddEP39/27/1112:00PMModernPhysicsForScientistsandEngineersFourthEditionStephenT.ThorntonUniversityofVirginiaAndrewRexUniversityofPugetSoundAustralia•Brazil•Japan•Korea•Mexico•Singapore•Spain•UnitedKi