Appendix-E
Fundamental Constants of Physics
Speed of light
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c
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\(2.998 \times 10^8 ~ m/s\)
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Gravitational constant
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G
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\(6.673 \times 10^{–11}~ N-m^2/kg^2\)
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Avogadro constant
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\(N_A\)
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\(6.022 \times 10^{23}~ mol^{–1}\)
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Universal gas constant
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R
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\(8.314~ J/mol.K\)
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Mass–energy relation
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\(c^2\)
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\(8.988 \times 10^{16} J/kg\);
\(931.49~ MeV/u\)
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Permittivity constant
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\(\varepsilon_0\)
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\(8.854 \times 10^{–12} F/m\)
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Permeability constant
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\(\mu_0\)
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\(1.257 \times 10^{–6}~ H/m\)
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Planck constant
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h
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\(6.626 \times 10^{–34} J.s\);\(4.136 \times 10^{–15} eV.s\)
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Boltzmann constant
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k
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\(1.381 \times 10^{–23} J/K\);\(8.617 \times 10^{–5} eV/K\)
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Elementary charge
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\(e\)
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\(1.602 \times 10^{–19} C\)
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Electron mass
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\(m_e\)
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\(9.109 \times 10^{–31} kg\)
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Proton mass
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\(m_p\)
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\(1.673 \times 10^{–27} kg\)
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Neutron mass
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\(m_n\)
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\(1.675 \times 10^{–27} kg\)
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Deuteron mass
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\(m_d\)
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\(3.344 \times 10^{–27} kg\)
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Bohr radius
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a
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\(5.292 \times 10^{–11} m\)
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Bohr magneton
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\(\mu_B\)
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\(9.274 \times 10^{–24} J/T\);\(5.788 \times 10^{–5} eV/T\)
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Rydberg constant
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R
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\(1.097373 \times 107 m–1\)
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