θ1 is the angle of incidence.
θ2 is the angle of refraction.
θc is the critical angle.
At θ1 = θc, θ2 = 90°
Consider a beam of light traveling from a medium with a low index of refraction n1 to a new medium with a higher index of refraction n2.
Use Snell’s Law to explain why total internal reflection will never occur in this situation, regardless of the choice of incident angle.
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