Convert a.u. of length to vara castellana
Please provide values below to convert a.u. of length [a.u., b] to vara castellana [vara castellana], or Convert vara castellana to a.u. of length.
How to Convert A.u. Of Length to Vara Castellana
1 a.u., b = 6.33629864982662e-11 vara castellana
Example: convert 15 a.u., b to vara castellana:
15 a.u., b = 15 × 6.33629864982662e-11 vara castellana = 9.50444797473993e-10 vara castellana
A.u. Of Length to Vara Castellana Conversion Table
| a.u. of length | vara castellana |
|---|
A.u. Of Length
The atomic unit of length, also known as the Bohr radius (a₀), is approximately 5.29 x 10⁻¹¹ meters.
History/Origin
The Bohr radius is named after Niels Bohr, who proposed a model of the atom in 1913 where the electron orbits the nucleus at specific distances. The Bohr radius is the most probable distance between the proton and electron in a hydrogen atom in its ground state.
Current Use
The atomic unit of length is used in atomic physics to simplify calculations and equations.
Vara Castellana
The Castilian vara is an old Spanish unit of length, approximately 83.59 centimeters.
History/Origin
The vara was a common unit of length in Spain. The Castilian vara was the standard vara of the Kingdom of Castile.
Current Use
The Castilian vara is an obsolete unit of measurement.