Light & interface, Geometric Optics, easy learning, tutorial

Geometric Optics tutorial, get better grade in exam. Elementary Geometry relating Optical Physics. Light & interface. These videos use visual learning technique, which are compilation of knowledge that already exists all over the internet, I compiled them so the viewers can save their time watching these. https://youtu.be/BPQyBr0Aa28 https://youtu.be/nZTnRZ6lINM https://youtu.be/Vxf_mvh2-DE https://youtu.be/W1DlLx_SEOY https://youtu.be/UZvoARycXfk