Tutorial on Light Refraction, get better grade in exam.

Refraction of Light. Fundamentals and basics. get better score in exam. Easy learning. Illustrated animations. 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. refraction, refractive index, Snell’s law, Fresnel equation, reflectance, transmittance, dispersion, TIR, Total Internal Reflection, critical angle, dispersion, frequency, angle of deviation, prism, rainbow,