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CBSE Class 12-science Answered

What is the effect on the interference fringes if the monochromatic source is replaced by a source of white light?
Asked by d.beckham | 25 Feb, 2013, 01:26: PM
Expert Answer
If  the monochromatic source is replaced by a source of white light, then there will be colourful interference fringes,consisting of seven colours.
The same thing we find in case of thin film of soap solution.
Below is the example where,White light incident on an oil film. A colorful interference pattern is observed when light from the sun is reflected from the top and bottom boundaries of a thin oil film.
Answered by | 25 Feb, 2013, 02:49: PM
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