Experiment Details
When light passes from one medium to another, it bends according to Snell's Law. Total internal reflection occurs when light travels from a denser to a rarer medium beyond the critical angle.
n₁sin(θ₁) = n₂sin(θ₂)Snell's Law
θc = asin(n₂/n₁)Critical Angle
R = ((n₁-n₂)/(n₁+n₂))²Reflectance (Fresnel)