Index |

Appendix A


Physical Constants Used as Conversion Factors

Velocity of light
2.99790 x 1010 cm/sec
Rydberg constant (hydrogen)
1.09677 x 105 cm-1
Gravitational constant
6.670 X 10-8 dynes X cm X g-2
Faraday constant
2.89356x 1014 e.s.u. x g-equiv-1
Gas constant
8.31436 x 107 ergs x deg-1 x mol-1

Physical Constants Calculated

Calculated
Observed
Units
Molar gas volume
2.2.4145 x 10
22.4157 x 10
cm
Mass of hydrogen atom
1.67339 x 10-24
1.67339 x 10-24
g
Mass of unit atomic weight
1.66124 x 10-24
1.65990 x 10-24
g
Avogadro's number
6.01960 x 1023
6.02544 x 1023
Boltzman constant
1.38121 x 10-16
1.38026 x 10-16
ergs/deg
Planck constant
*6.648 x 10-27
6.62377 x 10-27
erg sec
Radiation constant
5.65475 x 10-5
5.6699 x 10-5
ergs/(cm x deg4 x sec)
Electronic charge
**4.80690 x 10-10
4.807 x 10-10
e.s.u.
Electron mass
9.11126 x 10-28
9.10721 x 10-28
g
Ratio H to electron mass
1836.62
1837.1
Fine structure constant
137.481
137.043

* Subject to adjustment--See text
** See text

Natural Units

Mechanical Units
Value
s
Space
0.455884 x 10-5 cm
t
Time
0.152068 x 10-15 sec
s/t
Velocity
2.99790 x 1010 cm/sec
s/t
Acceleration
1.97142 x 1021 cm/sec
t/s
Energy
5.00100 x 10-4 ergs
t/s
Momentum
1.66817 x 10-14 g-cm/sec
t/s
Mass
0.556446 x 10-24
t/s
Force
109.699 dynes
t/s4
Pressure
5.27830 x 1012 dynes/cm
Electrical Units
Value
s
Quantity
4.80690 x 10-10 e.s.u.
s
Capacitance
0.513727 x 10-17 farads
s/t
Current
1.05441 x 10-3 amperes
1/s
Power
3.28866 x 105 watts
t/s
Electric charge
4.80690 x 10-10 e.s.u.
t/s
Electric potential
3.11896 x 108 volts
t/s
Elec. field intensity
6.84156 x 1013 Volts/CM
t/s
Electric flux density
23.1290 e.s.u./cm
t/s
Resistance
2.95801 x 1011 ohms
t/s
Magnetic charge
1.60342 x 10-20 e.s.u.
t/s
Magnetic flux
4.74294 maxwells
t/s
magnetic potential
1.04038 x 106 gilberts
t/s4
Magnetic induction
2.28212 x 1011 gauss
t/s4
Mag. field intensity
2.28212 x 1011 oersteds
Temperature Units
Value
t/s
(time-space region)
3.62074 x 1012 degrees C
t/s
(time region)
510.16 degrees C


Index |