It is then refracted away from the normal at the boundary between glass and air as it leaves the prism.

The incident ray is refracted towards the normal as it enters the glass prism from air. It is then refracted away from the normal at the boundary between glass and air as it leaves the prism.

The more photons you have, the brighter the perceived light. Reflection occurs when photons bounce off a surface. Refraction occurs ... s RX 6000-series GPUs. GTX 10-series and 16-series cards ...