常数表
下面是考卷上会给的一些常数,应尽可能多地记住以便考试时节约时间。
Rest mass of the 10-28 gram´10-31 kilogram = 9.11 ´electron me = 9.11
10-10´10-19 coulomb = 4.80 ´Magnitude of the electron charge e = 1.60 statcoulomb (esu)
1023´ Avogadro’s number N0 = 6.02 /mole
K)× Universal gas constant R = 8.31 joules/(mole
10-16 erg/K´10-23 joule/K = 1.38 ´ Boltzmann’s constant k = 1.38
1010 cm/s´108 m/s = 3.00 ´ Speed of light c = 3.00
10-15´second = 4.14 ×10-34 joule´Plank’s constant h = 6.63 second×eV
p= h / 2h
0e Vacuum permittivity meter2)×10-12 coulomb2/(newton´= 8.85
0m Vacuum permeability meter)×10-7 weber/(ampere´p= 4
Universal gravitational constant second2)×10-11 meter3/(kilogram´ G = 6.67
Acceleration due to m/s2 = 980 cm/s2´gravity g = 9.80
1 atmosphere pressure 105 pascals(Pa)´105 newton/meter2 = 1.0 ´ 1 atm = 1.0
1 angstrom 10-10 meter´ 1 A = 1
1 weber/m2 = 1 tesla = 104 gauss
Moments of inertia about center of mass
Rod
Disc
Sphere