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1000000 zeptometres = 1 femtometre = 1 fermi = 0.000001 nanometre = 10 −15 metres 1 000 000 000 000 femtometres = 1 millimetre . For example, the charge radius of a proton is approximately 0.841 femtometres [ 3 ] while the radius of a gold nucleus is approximately 8.45 femtometres.
A barn (symbol: b) is a metric unit of area equal to 10 −28 m 2 (100 fm 2).This is equivalent to a square that is 10 −14 m (10 fm) each side, or a circle of diameter approximately 1.128 × 10 −14 m (11.28 fm).
The stokes (St) is a unit of kinematic viscosity equal to 1 cm 2 ⋅s −1 (100 mm 2 ⋅s −1). [3] ... The fermi is a unit of distance used in nuclear physics equal ...
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10 −2 metres ( 1 / 100 m = 0.01 m). To help compare different orders of magnitude , this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm).
The Fermi level of a solid-state body is the thermodynamic work required to add one electron to the body. It is a thermodynamic quantity usually denoted by μ or E F [1] for brevity. The Fermi level does not include the work required to remove the electron from wherever it came from.
exactly equal ≈ approximately equal to ... fermi: fm ≡ 1 ... ≡ 1 cm/s 2 = 10 −2 m/s 2: inch per minute per second: ipm/s
Hence, the internal chemical potential, μ-E 0, is approximately equal to the Fermi energy at temperatures that are much lower than the characteristic Fermi temperature T F. This characteristic temperature is on the order of 10 5 K for a metal, hence at room temperature (300 K), the Fermi energy and internal chemical potential are essentially ...
1 km 2 means one square kilometre, or the area of a square of 1000 m by 1000 m. In other words, an area of 1 000 000 square metres and not 1000 square metres. 2 Mm 3 means two cubic megametres, or the volume of two cubes of 1 000 000 m by 1 000 000 m by 1 000 000 m, i.e. 2 × 10 18 m 3, and not 2 000 000 cubic metres (2 × 10 6 m 3).