The wave function of a particle at time t=0 is given by|w(0)) = (u,) +|u2}), where |u,) and u,) are the normalized eigenstates with eigenvalues E, and E, respectively, (E, > E,). The shortest time after which y(t)) will become orthogonal to |w(0)) is - ħa (a) 2(E, - E,) (b) E, - E, (c) E, - E, (d) E, - E,
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