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Revision as of 14:28, 8 March 2016
Interference takes place between two seperate wave fronts originating from two coherent sources. | Diffration takes place when secondary wavelets originating from different point of the same wavefront. |
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Fringe width may or may not be the same. | Fringe are not of the same width. |
All maximas are of same intensity. | Maximas are of varying intensity. |
The minimum intensity regions are usually almost perfectly dark. | The minimum intensity regions are not perfectly dark. |