Convert ligne (Paris line) to bohr
Selected category: length.
Definition and details for ligne (Paris line):
Paris line is a traditional unit of length equal to 1/12 of a Paris inch (pouce du Roi) or about 2.256 mm. Ligne is still used by French and Swiss wristwatch makers to measure the size of a watch movement.
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.