Snell's Law
n1·sin(θ1) = n2·sin(θ2)
What it says
Snell's law relates the angles of incidence and refraction to the refractive indices of the two media a light ray crosses.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
n1 | Refractive index of medium 1 (dimensionless) | 1 |
n2 | Refractive index of medium 2 (dimensionless) | 1 |
theta1 | Incidence angle (rad) | 1 |
theta2 | Refraction angle (rad) | 1 |
Work it out
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Connects to
Filed under Waves · derive through it in the explorer