What will be the effect on the interference fringes obtained in Young's double slit experiment if the monochromatic light is replaced by white light source?
Asked by Topperlearning User | 12th Jun, 2014, 10:32: AM
There will be a central white fringe with a few coloured fringes on both sides.
a) The path difference to the central fringe is zero for all colours. Hence each colour produces a bright fringe here .As they overlap, a white fringe is formed.
b) In white light ,there are different colours (Wavelengths).The fringe of one colour is slightly displaced from the fringe of other colours of the same order .Thus, the fringes of different colours do not exactly overlap.
Answered by | 12th Jun, 2014, 12:32: PM
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