Interference colors on soap film

Thin film interference on soap film. Bands of color are created by white light shining on a film of soap. Some of the light reflects off the surface of the film, while the rest of the light travels through the film and reflects off the back of the film. The colors are caused by light waves interfering with each other in a process called optical interference. The different colors are caused by different thickness of the soap film.

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Filename: K19Soap-film-3153.jpg
Copyright: Ted Kinsman / Science Source Inc.
Image Size: 3600x3941 / 13.2MB; Rainbow optics thin thin film physics waves light wavelength color colors flow interference bubble constructive destructive optical wave nature
Contained in galleries: science

Thin film interference on soap film. Bands of color are created by white light shining on a film of soap. Some of the light reflects off the surface of the film, while the rest of the light travels through the film and reflects off the back of the film. The colors are caused by light waves interfering with each other in a process called optical interference. The different colors are caused by different thickness of the soap film.