$\definecolor{red}{RGB}{255,0,0}$$\definecolor{black}{RGB}{0,0,0}$
  1. $n$
  2. $n$
  3. $n$
  1. $r$
  2. $r$
  3. $r$
    • $$\color{blue}{\rightarrow}\color{black}\;$$$$r = \frac{n\cdot\lambda}{ 2\cdot\pi} $$
  1. $\lambda(nm)$
  2. $\lambda(nm)$
  3. $\lambda(nm)$
    • $$\color{blue}{\rightarrow}\color{black}\;$$$$\lambda(nm) = \frac{2\cdot\pi\cdot r}{n} $$

→    Back to the complete list of formulas

Bohr's orbit radius, quantum number and electron wavelength

Numbers in the form 1/2 or 0.5 or 1.5E3 are accepted: