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LIST OF PHYSICAL CONSTANTS (cont’d) e0 = 8.85 x 10-12 F m-1
h= 6.63 x 10-34 J s
Permittivity of free space u= 1.66 x 10-27 kg
The Planck constant mp = 1.67 x 10-27 kg
Unified atomic mass constant R= 8.31 J K-1 mol-1
Rest mass of proton s= 5.67 x 10-8 W m-2 K-4
Molar gas constant mn = 1.67 x 10-27 kg
Stefan- Boltzmann constant
Mass of neutron
CXC A16/U2/07v01 94

