The system after many measurements

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A particle of mass m is con?ned in a one-dimensional in?nite well: V (x) = 0, if 0 ≤ x ≤ a; V (x) = ∞, if x < 0 or x > a. Its normalized wave function is ψ(x) = sqrt(8/5a)[1 + cos(πx/a)]sin(πx/a) inside the well. (a) Rewrite the wave function in terms of the normalized eigenfunctions: ψ = Σn Anψn. And determine the coe?cients An. (b) What values can the measured energy of the system possibly be? (c) What is the average energy of the system after many measurements?

Reference no: EM13526379

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