Bubbles and Light Interference

Identifier: L: W - 019

A bubble in front of a CENCO lamp produces a colorful array

Concept Overview:

Interference of inner and outer walls of bubble

Lecturer Procedure

Step(s) to Follow

  1. Turn on lamp.
  2. Blow a single bubble

Expected Result

A colorful interference pattern will result on white board.


Special Note:  In order to achieve a single bubble, do not use too much soap (this will create lots of tiny bubbles).  It may be best to practice this before class.