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− | Interference takes place between two | + | Interference | Diffraction |
+ | Interference takes place between two separate wave fronts originating from two coherent sources. | Diffraction takes place when secondary wavelets originating from different point of the same wavefront. | ||
Fringe width may or may not be the same. |Fringe are not of the same width. | 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. | + | 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. | The minimum intensity regions are usually almost perfectly dark. |The minimum intensity regions are not perfectly dark. | ||
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Latest revision as of 11:45, 8 March 2016
Interference | Diffraction |
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Interference takes place between two separate wave fronts originating from two coherent sources. | Diffraction takes place when secondary wavelets originating from different point of the same wavefront. |
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. |