Physical and Astronomical Constants to Remember for Tripura PSC Exam

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Physical and Astronomical Constants
Speed of light in vacuo
Elementary charge
Neutron rest mass
Proton rest mass
Electron rest mass
Planck՚s constant
Dirac՚s constant
Boltzmann՚s constant
Gravitational constant
Stefan- Boltzmann constant
First Radiation Constant

Second Radiation Constant
Permittivity of free space
Permeability of free space
Avogadro constant
Gas constant
Bohr radius
Bohr magneton
Fine structure constant
Solar Mass
Solar radius
Solar luminosity
Earth mass
Mean earth radius
1 light yearMean earth radius
1 AUAstronomical unit
1 pcParsec
1 year


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