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Question
Mention the differences between interference and diffraction.
Solution
| S.No. | Interference | Diffraction |
| 1. | Superposition of two waves | Bending of waves around edges |
| 2. | Superposition of waves from two coherent sources. | Superposition wavefronts emitted from various points of the same wavefront. |
| 3. | Equally spaced fringes. | Unequally spaced fringes. |
| 4. | Intensity of all the bright fringes is almost the same. | Intensity falls rapidly for higher orders. |
| 5. | Large number of fringes are obtained. | Less number of fringes are obtained. |
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