Drag the incoming ray, or use the angle slider below
Presets
Angle of incidence θ₁45°
Angle of refraction θ₂—
n₁ → n₂1.52 → 1.33
Critical angle θc—
Behaviour—
Refraction angle θ₂ against incidence angle θ₁ for the current media. The amber dot is your current setting; beyond the critical angle the curve stops and the rose band marks total internal reflection.