The double-slit experiment is a famous physics experiment that demonstrates fundamental principles of quantum mechanics, particularly the wave-particle duality of light and matter. The experiment was first performed by Thomas Young in 1801 and has been reinterpreted in the context of quantum mechanics over the years. ### Description of the Experiment: 1. **Setup**: The basic setup involves a coherent light source (like a laser) directed at a barrier with two closely spaced slits.
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