Here I carefully explain the “wave number”. Spoiler Alert: It’s just the number of waves.
-----Standing Waves Playlist - https://www.youtube.com/playlist?list=PL9_sR6QqqcymFFIR66tm2IsL3cAp_MR_C
-----Use the channel, or take the courses at edX - https://www.edx.org/course?search_query=hafner+ricex
-----This material was produced by Rice Online - http://online.rice.edu
