If the monochromatic source in Young's double slit experiment is replaced by white light, then
If the monochromatic source in Young's double slit experiment is replaced by white light, then
Option 1 -
Interference pattern will disappear
Option 2 -
There will be a central dark fringe surrounded by a few coloured fringes
Option 3 -
There will be a central bright white fringe surrounded by a few coloured fringes
Option 4 -
All bright fringes will be of equal width
Asked by Shiksha User
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1 Answer
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Correct Option - 3
Detailed Solution:At central point on screen, path difference is zero for all wavelength. So, central bright fringe is white and other fringes depend on wavelength as .
Therefore, other fringes will be coloured.
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