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Waves & Optics · refraction

Snell's Law

Relates incident and refracted angles across an interface.

n₁ sin θ₁ = n₂ sin θ₂

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Variables

n₁, n₂
refractive indices
θ₁, θ₂
angles from the normalrad

Conditions / notes

Angles are measured from the interface normal.

Reference details

Subject
Waves & Optics
Topic
refraction
Plain text
n1 sin(theta1) = n2 sin(theta2)

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