Identifying Parts of a Ray Diagram
A black horizontal line is met by an arrow A from above and left. A dotted line B runs down to the horizontal line at a right angle and meets B. B meets the arrow where it strikes the horizontal line. The A and B make an angle C.
Use the drop-down menus to identify the parts of the diagram labeled A, B, and C.
Label A:
✔ incident ray
Label B:
✔ normal
Label C:
✔ angle of incidence
