PIRA 6A44.25 - Total Internal
Reflection: Snell's Wheel
Photo Shows the Demonstration Apparatus Used by the University with the room lights dimmed.
of Texas at Austin.
Instructions / Notes:
A laser beam pointed at a Snell's wheel which be used to demonstrate refraction
and total internal reflection.
Rotate the wheel to determine the critical angle for total internal reflection.
- Demo Staff: Check the alignment of the laser beam through the Snell's wheel before the start of each class.
- Adjust alignment by rotating the laser along the horizontal plane.
Photo Shows the Demonstration Apparatus in Use with the room lights still on.
Last Updated 10/2016 - University of Texas at Austin Physics Dept.
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