Physics

Critical angle for total internal reflection

Critical angle for total internal reflection is a physical quantity describing the state, motion, or interaction of a system.

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α꜀ = arcsin(n₂/n₁)

What it means

Critical angle for total internal reflection is a physical quantity describing the state, motion, or interaction of a system.

How it works and where it is used

Use this calculation for optical systems, interferometry, diffraction, polarization, and wavelength measurement.