wave 1

What is wave?
- Formation of a wave: 04:15
- Formation of successive waves: 06:20
- Condistions of forming a wave: 07:55
- Summarization of what is wave: 10:40
Wave propagation:
- Is not matter propagation: 23:10
- Is energy propagation: 27:30
- Amplitude and wavelength: 27:55
- Summarization: 30:28
Exercise 1: 40:40