Disappearing Eye Dropper

Two eye dropper bottles
PIRA: 
6A40.30
Area: 
6 Optics
Topic: 
6A Geometrical Optics
Concept: 
Refractive Index

 

The glass tube in an oil-filled dropper is invisible until air is pushed into it.

 

Demo Contact

Scott Thomas
Demonstration Manager
828-262-2435
thomassa@appstate.edu