Wave OpticsMedium
Question
What change occurs, if the monochromatic light used in Young′s double slit experiment is replaced by white light?
Options
A.only the central fringe is white and all other fringes are observed coloured.
B.no fringes are observed.
C.all the bright fringes becomes whit.
D.all the bright are coloured between violet and red .
Solution
When we use white light in place of monochromatic light then in place of monochromatic light then only cantral fringe looks white and other fringe of different colour are observed. It is because central fringe for all the colours are formed at central point so it becomes white after mixing up. As fringes of others colours fall at different places we see fringe.
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