Zip code 97233 is primarily located in Multnomah County. The official postal service name used for 97233 is PORTLAND, Oregon. Portions of the 97233 zip code are contained within or border the city limits of Portland, OR, Gresham, OR, .
Periodic waves at shallow water, wavelength is denoted Î». A wavelength is the length of the shortest repeating part of a sine wave. All waves can be formed by adding up sine waves. That is, every wave is a total of sine waves, which may be identified by Fourier analysis. Waves are everywhere.
The lower-case letter Î³ {\displaystyle \gamma } is used as a symbol for: 1  Chromatic number of in graph theory. 2  Gamma radiation in nuclear physics. 3  The photon, the elementary particle of light and other electromagnetic radiation.  Surface energy in materials 1  science. The Lorentz factor in the theory of relativity.