Summary: This Learning Objective focuses on standing waves. It covers what a standing wave is, harmonic frequency, fundamental frequency, harmonic numbers, and some follow up questions to the video. There are multiple choice questions, open-ended questions, and a word problem in the discussion section. This LO is in the format of a Ted-Ed, with an accompanying video on Standing Waves.

http://ed.ted.com/on/FdoRrjAM#finally