6A60.10 • Thin Lenses: Blackboard Optics — Thin Lenses

Location: Floor Demo

Photo Shows the Demonstration Used at the University of Texas at Austin.

Instructions / Notes:

• Optics Board w/ laser light sources set to project parallel rays through a limited choice of lenses.
• Room lights must be dimmed or turned-off for students to see the refracted rays.

Photo Shows the Demonstration with the room lights turned off.

• Demo Staff: Try to have the lenses set up in the above fashion way before the class break.

Last updated on June 8, 2026