Convert bohr to chain (Ramsden or Engineer)
Selected category: length.
Definition and details for bohr:
Bohr or bohr radius (a0) is used in particle physics. One bohr is the mean distance between the proton and the electron in an unexcited hydrogen atom. This unit was named to honor the Danish physicist Niels Bohr (1885-1962), who explained the structure of atoms.
Definition and details for chain (Ramsden or Engineer):
Ramsden'S chain is a unit of length used by American surveyors in the U.S. It is equal to 100 feet or 30.48 meters.