Planck Length

on . Posted in Relativity

Planck length, abbreviated as \(l_p\), is the fundamental unit in the system of Planck units.  It is thought to be the smallest possible length in a section on spacetime.  It is a useful unit in theoretical physics.

  • \(\large{ l_p = 1.616, 229 \;x\;10^{-35}\;m }\)


Planck Length Formula

\(\large{ l_p = \sqrt{ \frac{ h\;G } { c^3 } } }\) 
Symbol English Metric
\(\large{ l_p }\) = Planck length \(\large{ft}\) \(\large{m}\)
\(\large{ G }\) = gravitational constant \(\large{\frac{lbf-ft^2}{lbm^2}}\)  \(\large{\frac{N - m^2}{kg^2}}\) 
\(\large{ h }\) = Planck constant \(\large{\frac{lbf-ft}{sec}}\) \(\large{J-s}\)
 \(\large{ c }\) = speed of light in vacuum  \(\large{\frac{ft}{sec}}\)  \(\large{\frac{m}{s}}\)


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Tags: Magnetic Equations