Physical Constants

Constant

Symbol

Value

Avogadro's constant

NA

6.022 $\cdot$ 1023 /mol

Bohr magneton

mB

9.27$\cdot$ 10-24 J/T

Boltzmann's constant

k

1.38$\cdot$ 10-23 J/K

Elementary charge

e

1.6$\cdot$ 10-19 C

Gas constant

R

8.31J/K$\cdot$ mol

Magnetic flux quantum

f

2.07$\cdot$ 10-15 Wb

Permeability of vacuum

m0

4p$\cdot$ 10-7 T$\cdot$ m/A

Permittivity of vacuum

e0

8.85$\cdot$ 10-12 C2/N$\cdot$ m2

Plank's constant

h

6.63$\cdot$ 10-34 J/s

Rydberg constant

Ry

1.1$\cdot$ 107 /m

Speed of light

c

2.9979$\cdot$ 108 m/s

Universal gravitational constant

G

6.67$\cdot$ 10-11 N$\cdot$ m2/kg2