Basic Physics

© Zhong Ri Jia Ma
- "With a Servant's Heart" -

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Standard Symbols

Symbol Quantity Units
l wavelength [m]
n frequency [/s]
w angular frequency [/s]
k,s wavenumber [cm-1]
p momentum [kg m /s]
E energy [kg m /s²]
h Planck's const [J s]

Basic Equations

Quantity Related quantity
l = c / n
w = 2 p n
k = 2 p /l
p = h / l
E = h n

Energy Conversion

Base Unit Conversion factor
1[eV] = e-6 [MeV]
= 1.602e-12 [erg]
= 3.829e-20 [cal]
~ 1.783e-33g ~ 11,605 K
1[Cal] = 4.184 [J]
1[cm-1] ~ 1.986e-16 [erg]

© AiZhu formerly Zhong Ri Jia Mei (ZRJM) email: AiZhu @ XiaoTu.com
- "With a Servant's Heart" -
Last updated: CUT: Fri Nov 24 07:54:03 2006