[2.14] The distance between two successive points of a periodic wave in the direction of propagation, in which the oscillation has the same phase. The three commonly used units are:
| Name | Symbol | Value |
|---|---|---|
| micrometer (micron)* | μm | 1 μm = 10-6 m |
| nanometer | nm | 1 nm = 10-9 m |
| Ångstrom* | Å | 1 Å = 10-10 m |
* Deprecated.
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