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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.| 9925000000 Perch | to common length units |
|---|---|
| 9925000000 perch | = 49914810000 meters (m) |
| 9925000000 perch | = 49914810 kilometers (km) |
| 9925000000 perch | = 4991481000000 centimeters (cm) |
| 9925000000 perch | = 163762500000 feet (ft) |
| 9925000000 perch | = 1965150000000 inches (in) |
| 9925000000 perch | = 54587500000 yards (yd) |
| 9925000000 perch | = 31015625 miles (mi) |
| 9925000000 perch | = 5.2758492759751E-6 light years (ly) |
| 9925000000 perch | = 1.8865442376749E+14 pixels (PX) |
| 9925000000 perch | = 3.119675625E+45 planck length (pl) |