Frequently used physical and Constants for BITSAT
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Frequently used constants:
Constant | Symbol | Value |
Alpha particle mass | ||
Avogadro constant | ||
Boltzmann constant | ||
Electron mass | ||
Electron volt | ||
Electronic charge | ||
Faraday constant | ||
Gravitational constant | ||
Neutron mass | ||
Permeability of free space | ||
Permittivity of free space | ||
Planck constant | ||
Proton mass | ||
Proton-electron mass ratio | ||
Speed of light | ||
Universal gas constant |
Particle physics:
Class | Name | Symbol | Mass | Mean life | Year of discovery |
Leptons | Electron Neutrino Muon Tau | 1 207 3500 | Stable Stable | 1897 1957 1937 1975 | |
Mesons | Pi meson K meson | 273 264 ≈970 | ? | 1947 1947 1947 | |
Baryons | Proton Neutron Lambda Sigma Chi omega | 1836 1839 2183 2327 2573 3272 | 1897 1932 1947 1953 1954 1964 |