Snell's Law Refraction Calculator
Calculate the angle of refraction using n₁sin(θ₁) = n₂sin(θ₂). Also finds the critical angle for total internal reflection when going from dense to less dense media.
n₁ · sin(θ₁) = n₂ · sin(θ₂)
Calculate the angle of refraction using n₁sin(θ₁) = n₂sin(θ₂). Also finds the critical angle for total internal reflection when going from dense to less dense media.