Prism Refraction Angle Calculator

Formula

The formula to calculate the Prism Refraction Angle (PRA) is:

\[ PRA = AOI + AOE - AOD \]

Where:

PRA – The prism refraction angle in degrees (deg).
AOI – The angle of incident in degrees (deg).
AOE – The angle of emergence in degrees (deg).
AOD – The angle of deviation in degrees (deg).

Definition

Prism Refraction Angle (PRA): The angle at which light is refracted through a prism.
Angle of Incident (AOI): The angle at which light enters the prism.
Angle of Emergence (AOE): The angle at which light exits the prism.
Angle of Deviation (AOD): The angle by which the light is deviated from its original path.

Example

Let's say the angle of incident (AOI) is 30 degrees, the angle of emergence (AOE) is 40 degrees, and the angle of deviation (AOD) is 10 degrees. Using the formula:

\[ PRA = 30 + 40 - 10 = 60 \text{ degrees} \]

So, the prism refraction angle is 60 degrees.