Wavenumber Equation
Reference from the original Physics I textbook.
- Wavenumber Equation
- Related Glossary Terms
- Index
Glossary and deeper reading · 1 refreshers
These editorial refreshers supplement the reading. Definitions and examples are added guidance; original source wording and recorded answers remain in their original context.
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Wavenumber
Angular wavenumber measures the change of wave phase per unit distance. In the sinusoidal convention used in the source reading, it equals two pi divided by wavelength and is measured in radians per meter. For example, shortening a wave’s wavelength increases its angular wavenumber.