What is ψ in quantum mechanics?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
ψ (psi) represents the wave function in quantum mechanics, describing the quantum state of a particle or system. The wave function contains all information about a particle's possible positions, momenta, and other properties. The square of its absolute value, |ψ|², gives the probability density of finding the particle at a particular location. Ψ is central to the Schrödinger equation and is fundamental to understanding quantum behavior, superposition, and measurement in quantum physics.
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