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Why Is K Called Wave Number? [Solved]

In spectroscopy it is usual to give wavenumbers in cgs unit (i.e., reciprocal centimeters; cm−1); in this context, the wavenumber was formerly called the kayser, after Heinrich Kayser (some older scientific papers used this unit, abbreviated as K, where 1 K = 1 cm−1).

Wavenumber

This lecture is about

The Electron Wavenumber k

In this video, I explain the

Wave Number and Angular Frequency

We introduce