| E [J] | Photon energy |
| p [kg*m/s] | Photon linear momentum |
| Sb [m^2] | Surface area of the prism base |
| Vp [m^3] | Volume of the prism |
| Vd [m^3] | Volume for each photon |
| N | Number of photons in the prism |
| Et [J] | Total energy due to the photons in the prism |
| pt [kg*m/s] | Total linear momentum due to the photons in the prism |
| u [J/(m^3)] | Energy density |
| pd [kg/s/(m^2)] | Linear momentum density |
| t [s] | Time required for the photons in the prism to reach the base of the prism |
| S [W/(m^2)] | Power density (when the reflection coefficient is equal to zero) |
| P [N/(m^2)] | Radiation Pressure (when the reflection coefficient is equal to zero) |
| F [N] | Radiation Force (when the reflection coefficient is equal to zero) |