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Interference describes different waves superposing to form a resultant wave of greater, lower, or the same amplitude. Normally, it involves interaction of waves that are correlated (coherent) with each other, either because they come from the same source, or because they have the same or nearly the same frequency. Interference effects can be observed with all types of waves, e.g., light, radio, acoustic, surface, or matter waves.

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Infinite fringes in double-slit interference

Strictly according to Double Slit experiment calculations, yes infinite fringes are possible if (1) the slits are infinitesimal and placed infinitely apart, but actually, the fringes will be very clos …
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1 vote
2 answers
256 views

Electron Wave Interference

In the double slit interference pattern for the wave of an electron, what will happen if I make the slits to be smaller than the size of an electron ? … Will I still observe an interference pattern on the opposite side of the screen or no electron will be able to cross the slit? If no, then how can a quantum prisoner escape ? …
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1 vote
1 answer
3k views

Newton's Ring Experiment

Now, the interference pattern here is forming on the surface of the lens itself. …
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19 votes
4 answers
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Difference Between Fraunhofer and Fresnel Diffraction

What is the difference between Fraunhofer diffraction and Fresnel diffraction? I mean diffraction is just bending of light waves or waves in general around a point. So how can there be two types of di …
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