Waves Step 1

Step one to study waves and optics
including the definition of the waves, types and kinds of waves, wave descriptions, and some phenomena that waves can make.
Chapters:
0:00 - 2:23 - Wave definition
2:24 - 11:13 - Wave types and Wave kinds
11:14 - 18:53 - Wave description
11:54 - 19:42 - Wavefront
19:43 - 21:03 - Doppler effect
21:04 - 23:11 - Diffraction
23:12 - 29:50 - Some applications of electromagnetic waves