====== Soap Film Interference ====== {{:physicsdemos:waves_and_optics:interference:soap_film_interference.jpeg?400|}} {{:physicsdemos:waves_and_optics:interference:image2018-1-1_17-25-9.png?400|}} Light reflected off of a soap film is imaged onto a wall or projection screen. Interference fringes result from the combination of light reflected off of the two air/liquid interfaces formed by the soap film. {{ :physicsdemos:waves_and_optics:interference:soap_film_interference_20200514150424.mp4 |}} L1, G0, sink PIRA DCS 6D20.30