The double-slit experiment illustrates the fundamental principles of quantum mechanics. When electrons are fired toward a screen with one slit, they create a single stripe. Introducing a second slit leads to multiple interference bands, demonstrating that electrons exhibit wave-like behavior. This phenomenon extends beyond electrons to all matter, though it is not perceived in everyday experiences due to the tiny scales involved. The experiment challenges traditional views of matter, highlighting a core mystery in quantum mechanics regarding the nature of particles.
Richard Feynman once said that all the mysteries of quantum mechanics are contained in the double-slit experiment. The electrons behave like waves, creating interference patterns.
When one slit is open, electrons create a single stripe on the detection screen. With two slits, multiple bands appear, resembling wave interference despite electrons being particles.
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