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The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.2917721067×10^−11 m.
In relation to the base unit of [length] => (meters), 1 Perch (perch) is equal to 5.0292 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 1975000000000 Perch | to common length units |
|---|---|
| 1975000000000 perch | = 9932670000000 meters (m) |
| 1975000000000 perch | = 9932670000 kilometers (km) |
| 1975000000000 perch | = 9.93267E+14 centimeters (cm) |
| 1975000000000 perch | = 32587500000000 feet (ft) |
| 1975000000000 perch | = 3.9105E+14 inches (in) |
| 1975000000000 perch | = 10862500000000 yards (yd) |
| 1975000000000 perch | = 6171875000 miles (mi) |
| 1975000000000 perch | = 0.0010498541380404 light years (ly) |
| 1975000000000 perch | = 3.754080472955E+16 pixels (PX) |
| 1975000000000 perch | = 6.20791875E+47 planck length (pl) |