Snell`s Law Calculator (Free calculation)

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Formula description

Snell`s Law

When light waves propagate from one medium to another medium with a different refractive index, refraction occurs.
The incident angle and reflection angle will satisfy the following formula:

n1*sin(θ1)=n2*sin(θ2)

n1:The refractive index of medium 1.
n2: The refractive index of medium 2.
θ1:The angle between the incident light wave and the interface normal.
θ2:The angle between the refracted light wave and the interface normal.

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