Identifier:
L: GO - 044

Concept Overview:
Total Internal Reflection
Lecturer Procedure
Step(s) to Follow
Remove Plug
Expected Result
Water will drain, but no laser beam will be visible until the box has run out of water.
Laser beam follows the stream of water and is not visible:

Once water has drained from box, laser beam is visible on surface across from laser:
Tutorial:
Set-up Instructions for L: GO - 44