ALL IMPORTANT FUNDAMENTAL CONSTANT with SYMBOLS, UNITS & VALUES

CONSTANT SYMBOL VALUE (with estimated error)

Speed of light c 3 × 10^8 m/s

Gravitational constant G 6.67 × 10^-11 Nm² kg-²

Acceleration of free fall g 9.81 ms-²

Atmospheric pressure atm 1.01 × 10 WbA-¹m-¹
at sea level

Absolute zero K -273.15 °C

Boltzmann's constant k 1.38 × 10-²³ JK-¹

Avogadro's no. N 6.023 × 10²³ mol-¹

Universal gas constant R 8.31 J mol-¹ k-¹

Stefan's constant 5.670 × 10^⁻⁸^{W·m−2·K−4}

Permittivity of free space 8.85 × 10^⁻¹² C²N-¹m−²

Permeability of free space 4π × 10^-7 TmA-¹ (WbA-¹m-¹)

Electronic charge e 1.60 × 10^-19 C

Electronic radius er 2.8 × 10^-15 m

Electron rest mass me 9.1×10-³¹ Kg

Proton rest mass mp 1.6726 × 10^-27 Kg

Neutron rest mass mn 1.6749 × 10^-27 Kg

Atomic mass unit u 1.67 × 10^-27 Kg = 931 MeV

Specific charge e/m 1.76 × 10¹¹ Ckg-¹

Planck's constant h 6.63 × 10-³⁴ Js

Rydberg constant RH 1.09678 × 10^7 m-¹

Bohr Magneton uB 9.27 × 10-²⁴ Am²

Thanks to see this post

About Unknown

This is a short description in the author block about the author. You edit it by entering text in the "Biographical Info" field in the user admin panel.