Distinguish between interference and diffraction?
1 Answer
The difference between interference and diffraction are as follows:
| SN | Interference | Diffraction |
| 1. | Interference occurs due to wavelets of different wavefronts. | Diffraction occurs due to the superposition of wavelets of the different parts of the same wavefront. |
| 2. | In interference, bands may be of equal width. | Diffraction fringes are not of the same width. |
| 3. | Points of minimum intensity are perfectly dark. | Points of minimum intensity are not perfectly dark. |
| 4. | All bright bands are of uniform intensity. | All bright bands are not of the same intensity. |
| 5. | Bands are larger in number. | Bands are fewer in number. |
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