Would you see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass? Why or why not?

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23-05-2017
Physics

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Would you see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass? Why or why not?

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RG38 RG38 · Answer 1 · 2017-05-23T15:45:14+02:00

yes, we can see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass because in thin films of soap and oil , visible color bands are the result of interference of light in thin films . The interference in this situation is caused by the interference of light waves reflected from the opposite surfaces of thin films. White light consists of seven colors each of different wave length, Therefore, interference may be constructive or destructive.