Reflection & Refraction of Light
Required practical · drag the ray to explore
Surface:
⚠ Total internal reflection — no ray escapes
Tap the ray box to switch the light on
Accessibility — Adapt
Theme
Dark navy theme
Colour overlay (Irlen)
Off
Display
Reading ruler
Wider spacing (dyslexia)
Text size
100%
High contrast
Classroom / projector mode
Shape-coded ray markersCircle = incident, diamond = reflected, square = refracted — not just colour.
Control
Buttons only — no draggingSet the angle with the slider instead of dragging the ray.
Snap angle to 5°Makes the ray settle on tidy, easy-to-read values.
Colour vision
Protanopia
Deuteranopia