Physical constants in physics

Physical constants in physics

List of constants to be used

Acceleration due to gravity, g                                     9.81ms-2

Electron charge, e                                                            1.6 x10-19C

Electron mass                                                                    9.11 x 10-31kg

Mass of the earth                                                            5.97 x 1024kg

Plank’s constant, h                                                          6.6 x 10-34Js

Stefan’s-Boltzmann’s constant, σ                             5.67 x 10-8Wm-2K-1

Radius of the earth                                                         6.4 x 106m

Radius of the sun                                                             7 x 108m

Radius of the earth’s orbit about the sun              1.5 x 1011m

Speed of light in the vacuum, c                                  3.0 x 108ms-1

Thermal conductivity of copper                                 390Wm-1K-1

Thermal conductivity of aluminium                          210Wm-1K-1

Specific heat capacity of water                                   4.200Jkg-1K-1

Universal gravitational constant                                 6.67 x 10-11Nm2Kg-2

Avogadro’s number, NA                                                   6.02 x 1023mol-1

Surface tension of water                                              7.0 x 10-2Nm-1

Density of water                                                              1000kgm-3

Gas constant, R                                                                 8.31Jmol-1K-1

Charge to mass ratio, e/m                                            1.8 x 1011Ckg-1

The constant,                                                     9.0 x 109F-1m

Faraday’s constant, F                                                     9.65 x 104Cmol-1

Thermal conductivity of Iron                                       75Wm-1K-1

Specific latent heat of fusion of Ice =                      3.3 x 105Jkg-1

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