Refraction of light in 3D

Select:

• refractive indices
• angle of incidence
• question mode
• calculations
• point of view of observer
• auto-rotation of incident ray

Show:

• incident ray and its angle
• refracted ray and its angle
• reflected ray and its angle
• total internal reflection

Adjust viewing angle using mouse/trackpad/finger

Zoom using mouse wheel/trackpad/fingers

This simulation opens in all recent popular computer browsers (Chrome, Firefox, Safari, Edge, Opera) and Chromebooks. ProjectileSim does work on iPads, Androids and iPhones. An Android phone or iPhone is a bit small for the simulation to work well.