PhysicsLight – Reflection and Refraction

Snell's Law Bench

Bend a light ray between two media and find the refraction angle.

n₁ (medium 1)1

n₂ (medium 2)1.5

Angle of incidence30 °

Angle of refraction

19.47°

Critical angle

—°

Speed in medium 2

2×10⁸ m/s

Ray diagram — lensAngle of refraction: 19.47 °

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Light bends towards the normal when entering a denser medium (n₂ > n₁).

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