What is a wave function collapse in many worlds theory

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Wave function collapse is a fundamental concept in quantum mechanics. In the standard interpretation, when we measure a quantum system in superposition, it collapses to a single definite state. However, the Many-Worlds Theory challenges this view entirely. The Many-Worlds Interpretation proposes a radical alternative. Instead of collapse, the universal wave function evolves deterministically. When a measurement occurs, the universe doesn't choose one outcome - it branches into multiple parallel universes, each containing a different outcome.